Updated: September 2026

Best Buy vs Costco vs Amazon TV Buying US 2026 Verdict

Three retailers dominate US TV sales in 2026, and buyers who default to whichever one they already shop at are usually leaving USD 50 to USD 500 on the table on a premium TV purchase. Best Buy carries the widest catalog and runs the loudest Black Friday marketing. Costco quietly wins on ownership economics with the longest return window and a free second year of warranty. Amazon dominates the mid-tier and budget Prime-shipped market. The right retailer depends on which TV you actually want and how long you plan to keep it.

The verdict

For US TV buyers in Q4 2026, Costco is the strongest choice on premium OLED and Mini LED sets it stocks, thanks to a 90-day return window, an automatic second year of manufacturer-parity coverage through Costco Concierge, and per-SKU pricing that typically matches or beats Best Buy on its curated 30 to 40 SKU stock. Best Buy is the reliable choice for catalog breadth at 200-plus TV SKUs, in-store viewing, Geek Squad wall-mount install, and doorbuster pricing on Insignia Fire TVs during Black Friday. Amazon leads on mid-tier and budget TVs from TCL, Hisense, and Insignia and is the fastest fulfillment on Prime. Layering ShopBack cashback on Best Buy and Costco purchases stacks on top of any of these paths.

Compare TV prices on ShopBack partner retailers before checkout. Sign up for ShopBack and earn cashback at Best Buy and Costco.

The three business models in one paragraph each

Best Buy is a specialty electronics retailer. Its TV business is 200-plus SKUs across every size class, brand tier, and panel technology, with store-trained staff, in-store demo units, Geek Squad wall-mount install, and a three-tier membership program (free, My Best Buy Plus at USD 29.99 per year, My Best Buy Total at USD 199.99 per year) that changes the return window and rewards rate. Best Buy's house Insignia and Pacific brands anchor the doorbuster tier.

Amazon is a marketplace with a first-party electronics catalog. The Amazon TV catalog is huge and variable, mixing first-party fulfillment with third-party sellers. Amazon's Fire TV brand sits at the entry level. Amazon frequently discounts partner brands with lightning deals visible in the app but not always on desktop. Return handling on TVs is 30 days with possible restocking fees.

Costco is a warehouse club with curated stock. Costco does not try to carry every TV; it carries roughly 30 to 40 curated SKUs at any time, negotiates pre-bundled promotions (extra HDMI cable, extended warranty, Shop Card credit), and offers two ownership benefits the other two do not: a 90-day return window with no membership tier gating, and a bonus year of manufacturer-parity coverage through Costco Concierge.

Side by side in 2026

Feature	Best Buy	Costco	Amazon
Approximate TV catalog size	200-plus SKUs	30 to 40 curated SKUs	Very large (incl. 3P sellers)
Standard TV return window	15 days	90 days	30 days
Extended return path	60 days via My Best Buy Plus (USD 29.99/yr)	90 days standard	None on TVs
Membership cost	Free base; USD 29.99/yr Plus; USD 199.99/yr Total	Gold Star USD 65/yr; Executive USD 130/yr	Prime USD 14.99/mo or USD 139/yr
Manufacturer warranty length	1 year (typical)	1 year (typical)	1 year (typical)
Retailer warranty extension	Paid Geek Squad Protection	Free +1 year via Costco Concierge	Paid Asurion or none
Free 24/7 tech support	Total tier only	Yes, Costco Concierge	No
Wall-mount install	Yes, Geek Squad (paid)	Third-party recommended	Amazon Home Services (third-party)
Best-price tier	Premium OLED (competitive); Insignia doorbusters (leader)	Premium OLED/Mini LED on stocked SKUs	Mid-tier and budget TCL, Hisense
ShopBack cashback	Yes	Yes	Not available in US
Retailer credit card rewards	My Best Buy Credit Card (6% back)	Costco Anywhere Visa (2% at Costco)	Amazon Prime Visa (5% back)
Bundle upside	Occasional AppleCare, Beats bundles	Costco Shop Card credit, accessory bundles	Lightning deals
Delivery speed	2 to 5 days	3 to 7 days	1 to 2 days on Prime

The table is the argument in one page.

The Best Buy TV story in 2026

Best Buy remains the reference retailer for premium TV shoppers, largely because it is the only one of the three that reliably stocks the full lineup from Samsung, LG, Sony, TCL, Hisense, and every meaningful challenger brand. If you want to compare the LG C5, LG G5, Sony Bravia 8 II, and Samsung S95F side by side in a physical store, Best Buy is where.

Pricing. Best Buy's shelf price on flagship OLED and Mini LED sets typically matches Samsung.com, LG.com, and Sony.com on named SKUs. Amazon undercuts by a small margin (often 1 to 3 percent) on the same SKU. Costco either matches or beats when it stocks the model. Best Buy's Black Friday and Cyber Monday doorbusters on its house-brand Insignia Fire TVs are the lowest US price on those SKUs; the 70-inch Insignia F50 Series has been a repeat sub-USD 300 doorbuster in recent years.

Membership tiers. My Best Buy Plus at USD 29.99 per year (recently reduced from USD 49.99) extends the return window from 15 to 60 days, adds 1 percent back in rewards, unlocks member-only sales access, and includes free two-day shipping. My Best Buy Total at USD 199.99 per year adds product protection (including AppleCare Plus on Apple devices), free 24/7 tech support, and 20 percent off Geek Squad repairs.

Warranty. Best Buy sells Geek Squad Protection Plans for TVs at USD 99.99 to USD 349.99 depending on TV price band and coverage term. Higher-tier plans cover accidental damage and OLED panel burn-in. Without the plan, Best Buy passes through the manufacturer warranty (typically one year on parts and labor).

Install. Geek Squad wall-mount install for a 55-inch to 85-inch TV runs USD 199.99 to USD 349.99 in the US in 2026. Best Buy occasionally bundles free basic mounting with premium OLED purchases.

The Costco TV story in 2026

Costco is the retailer most US TV buyers overlook and most TV owners recommend loudest. The reason is that Costco treats warranty and return as part of the purchase, not as a paid add-on. On a USD 1,500 to USD 3,500 premium TV, that changes the effective cost meaningfully.

Pricing. Costco's headline pricing on the 30 to 40 SKUs it stocks in 2026 typically sits at or below Best Buy on the same SKU, often bundled with a Costco Shop Card credit (USD 100 to USD 300 depending on TV), a pre-negotiated extended warranty, or an accessory bundle. Recent 2026 examples include 65-inch TCL QM6K Pro Mini LED sets with 5-year warranty coverage bundled at the sub-USD 550 tier.

Return window. 90 days from receipt on TVs in 2026, with no restocking fee. This is the longest return window among the three retailers by a wide margin.

Warranty via Costco Concierge. Every TV sold through Costco warehouses or Costco.com receives an automatic second year of manufacturer-parity warranty coverage through Costco Concierge on top of the manufacturer's standard one-year warranty. Costco Concierge is free technical support 7 days a week, staffed by trained agents who diagnose and dispatch repair or replacement. Per Mulberry's warranty comparison (2026), Costco's warranty economics on TVs are among the most consumer-friendly in US retail. Paying with the Costco Anywhere Visa by Citi adds up to two additional years of purchase-protection coverage via the card's warranty extension benefit.

Membership. Standard Gold Star at USD 65 per year. Executive at USD 130 per year adds 2 percent Executive Rewards on the purchase up to an annual cap.

Install. Costco does not offer in-house wall-mount install. Third-party install through TaskRabbit, Amazon Home Services, or a local AV installer is the standard path. Costco.com typically includes in-room delivery on larger TVs.

The Amazon TV story in 2026

Amazon is the retailer most US buyers already default to, and for mid-tier and budget TVs it is the right default. The 30-day return window is longer than Best Buy's standard 15 days, Prime shipping puts a 55-inch TV in the living room in 1 to 2 days in most metro areas, and the pricing algorithm keeps popular SKUs within a few percent of the lowest US price at any time.

Pricing. Amazon's pricing on Amazon-brand Fire TVs is definitionally the lowest US price on those SKUs. On third-party brand TVs (TCL, Hisense, Samsung, LG, Sony), Amazon competes hard on the mid-tier volume models and less hard on the highest-end SKUs. Amazon's lightning deals occasionally drop mid-tier TVs by 30 to 40 percent for a few hours during Prime Day, Black Friday, and Cyber Monday.

Returns. 30 days from delivery on TVs. Restocking fees may apply on opened units per Amazon's return policy documentation.

Warranty. Amazon passes through the manufacturer warranty (typically one year) with no extension. Third-party Asurion protection plans are available at checkout for an additional 10 to 20 percent of the TV price.

Install and delivery. Amazon Home Services can arrange third-party wall-mount install for a fee, though quality varies. Large-screen TV delivery (75-inch and 85-inch) may involve threshold delivery rather than in-home placement.

ShopBack availability. Amazon is not a ShopBack US merchant. Compare Amazon prices against Best Buy and Costco with ShopBack cashback layered on to see whether the cashback layer at those retailers offsets a small Amazon price advantage.

Which retailer fits which buyer

Buyer profile	Best path	Why
Buying a premium OLED (LG C5, LG G5, Sony Bravia OLED, Samsung S95F)	Costco if stocked, Best Buy otherwise	90-day return plus second warranty year materially reduces panel-defect risk
Buying a mid-tier Mini LED (TCL QM6K, Hisense U7)	Amazon or Walmart	Amazon and Walmart lead on TCL and Hisense mid-tier pricing
Buying a budget 55-inch to 65-inch (Insignia, Fire TV)	Best Buy Black Friday, Amazon otherwise	Insignia Fire TV doorbusters at Best Buy Black Friday are lowest US price
Buying a Samsung Frame or Serif design TV	Best Buy or Samsung.com	Best Buy carries the widest Frame SKU list
Buying a wall-mount install package	Best Buy	Geek Squad is the cleanest single-vendor solution
Buying for a rental home or short-term stay	Amazon	30-day return and 1-2 day Prime shipping are the priorities
Buying two or more TVs for a whole-home refresh	Costco Executive	2 percent Executive Rewards plus 90-day return per set
Buying with financing (18-month 0 percent)	Best Buy with My Best Buy Credit Card	Best Buy runs 0 percent financing on select TVs during major sales
Buying to replace a failed TV mid-warranty	Costco if under 2 years, manufacturer otherwise	Costco Concierge covers year 2

The single biggest mistake US TV buyers make is choosing on sticker price alone. A USD 1,500 OLED at Best Buy that fails in month 14 costs USD 1,500 plus a paid repair. The same OLED at Costco is covered through month 24 via Concierge. The effective-cost gap on premium sets is usually larger than the sticker gap.

Black Friday and holiday cadence

Q4 2026 TV pricing follows a predictable US retail cadence.

• Mid-October pre-Black Friday teasers. Best Buy, Amazon, and Costco all run early-bird TV promotions at 70 to 85 percent of the peak Black Friday discount.
• Black Friday week (November 24 to 28, 2026). Peak headline discounts across all three retailers.
• Cyber Monday (December 1, 2026). Online-only extension. Best Buy Cyber Monday pricing on OLED sometimes beats Black Friday sticker.
• Mid-December holiday window. Discounts soften slightly. Wall-mount install slots at Geek Squad book out 2 to 3 weeks in advance.
• December 26 to January 3 clearance. MY2026 SKUs get 5 to 15 percent additional markdown at Best Buy and Costco.
• Super Bowl weekend (early February 2027). Best Buy's Super Bowl TV sale is historically the largest post-holiday discount event on large-screen sets.

The reliable extra layer across all these windows is ShopBack cashback at Best Buy and Costco. Activate ShopBack via the browser extension before checkout to lock in cashback on top of the sale price.

When to skip all three and buy direct

Samsung.com and LG.com trade-in promotions can beat Best Buy, Amazon, and Costco on newly launched flagship OLED and Mini LED when the manufacturer runs a trade-in-plus-launch-discount stack.

Samsung Care Plus and LG ThinQ Care are first-party extended warranties that keep the warranty chain single-vendor if you have had bad Geek Squad or Asurion experiences.

Local independent AV dealers for USD 3,500-plus flagship sets often bundle ISF calibration that no big-box retailer offers.

When this does NOT apply

• You are outside the US. Best Buy operates in the US only in 2026; Amazon and Costco operate internationally with different terms.
• You are buying a projector, soundbar, or non-TV display. The comparison applies only to standalone TVs.
• You are shopping used or refurbished. Manufacturer-refurbished units at Samsung.com, LG.com, and Sony.com carry different warranty terms.
• You are buying commercial or hospitality displays. Commercial signage is a separate B2B channel.
• You are buying a 98-inch or 100-inch large-screen. Manufacturer-authorized installers often make more sense than any of the three retailers.

Ready to upgrade? Compare Best Buy and Costco cashback on ShopBack and activate cashback before checkout.

Frequently asked questions

Which retailer is cheapest for TVs in the US in 2026?

It depends on the tier. Per House Digest's 2026 comparison, Costco is more generous all-around with better warranties and more lenient return policies on the roughly 30 to 40 SKUs it stocks. Amazon leads on mid-tier and budget TCL, Hisense, and Insignia SKUs with lightning deals. Best Buy is competitive across the widest 200-plus catalog and price-matches Costco, Walmart, and Amazon on named models.

What is Costco Concierge and is it really free with a TV purchase?

Yes. Costco Concierge provides an automatic second year of manufacturer-parity warranty coverage on TVs sold through Costco warehouses or Costco.com, on top of the manufacturer's standard one-year warranty. Concierge also provides free 7-days-a-week technical support. No paid upgrade required beyond the standard Gold Star membership at USD 65 per year.

How long is Best Buy's TV return window in 2026?

15 days standard for non-members. My Best Buy Plus members at USD 29.99 per year get 60 days on most products, and My Best Buy Total members at USD 199.99 per year also get 60 days plus product protection benefits. Amazon runs 30 days on TVs with possible restocking fees on opened units. Costco is 90 days flat with no restocking fee.

Is Costco really cheaper than Best Buy on OLED TVs?

On the roughly 30 to 40 curated OLED and premium Mini LED SKUs Costco stocks, Costco's headline sticker in 2026 typically matches or beats Best Buy by USD 50 to USD 200 on the same SKU. Add the automatic second year of Costco Concierge warranty coverage and the 90-day return window, and Costco's effective cost on a USD 2,000 OLED is materially lower. If Costco does not carry your specific SKU, Best Buy is the reliable fallback.

Does Amazon price-match Best Buy or Costco?

No. Amazon's pricing algorithm sets prices dynamically to match or undercut the lowest recent competitor, but Amazon does not run a formal price-match program on TVs. Best Buy runs an active price-match program covering Costco, Walmart, Amazon, and other major retailers, which levels the sticker in most cases when a buyer requests a match at checkout.

What is Geek Squad TV wall-mount install and how much does it cost?

Geek Squad wall-mount install for a 55-inch to 85-inch TV runs USD 199.99 to USD 349.99 in the US in 2026, with variable pricing by market and by wall type. Best Buy occasionally bundles free basic mounting with premium OLED purchases during major sale windows. Amazon routes install through Amazon Home Services (third-party technicians). Costco does not offer in-house install and routes to TaskRabbit or local AV installers.

Can I use ShopBack when buying a TV at Best Buy or Costco?

Yes. Both Best Buy and Costco are ShopBack US merchants. Activate ShopBack via the browser extension before checkout at the retailer's website, complete the purchase in the same session, and cashback tracks in your wallet within a few hours. Cashback confirms after the retailer's return window closes. Amazon is not a ShopBack US partner, so cashback via ShopBack is not available on Amazon TV orders.

Is My Best Buy Plus worth the USD 29.99 per year for the extended TV return window?

For a single TV purchase, marginally. My Best Buy Plus at USD 29.99 per year (reduced from USD 49.99) extends returns from 15 to 60 days, adds 1 percent back in rewards, and includes free two-day shipping. If you buy other Best Buy electronics annually and want member-only sales access, the math clears. If Costco carries the TV you want, the free 90-day return through your warehouse membership beats Plus outright on the return-window dimension.

When is the best time to buy a TV at these three retailers in 2026?

Black Friday week (November 24 to 28, 2026) is the peak US TV discount window. Cyber Monday (December 1) extends online-only pricing. Super Bowl weekend (early February) is the second-strongest window for large-screen sets. Model-year clearance December 26 to January 3 adds 5 to 15 percent to already-discounted units. Mid-October pre-Black Friday teasers offer 70 to 85 percent of peak discount for buyers who cannot wait.

Where do I get the best TCL and Hisense TV pricing in the US?

Amazon and Walmart typically lead on TCL and Hisense TV pricing in the US, particularly on Q-series and QM-series Mini LED models. Costco occasionally runs strong TCL bundles including recent 65-inch TCL QM6K Pro promotions with 5-year Costco warranty coverage baked in. Best Buy stocks the widest TCL and Hisense SKU list but is rarely the absolute lowest price on the mid-tier volume models.

Will ShopBack cashback stack with My Best Buy Plus rewards or Costco Executive Rewards?

Yes. ShopBack cashback is a separate promotional layer from Best Buy's membership rewards and Costco's Executive tier 2 percent rewards. All layers accrue independently on the same transaction. Cashback tracks as long as you click through ShopBack before checkout, and membership rewards continue to accrue via the retailer program. Check current merchant terms on the ShopBack merchant page for category exclusions.

How many days does ShopBack cashback take to process on a TV order?

Cashback tracks in your ShopBack wallet within a few hours of checkout as pending, and confirms after the retailer's return window closes. Best Buy standard return is 15 days (60 days for My Best Buy Plus), Costco is 90 days. Plan on 30 to 120 days from checkout to withdrawable cashback on a TV order depending on the retailer and membership tier.

What TVs should I buy at each retailer in 2026?

Costco is the pick for premium OLED and Mini LED buyers on Samsung S95F, LG C5, LG G5, Sony Bravia 8 II, and TCL QM7-tier and above when Costco stocks the SKU. Best Buy is the pick for widest catalog access including Samsung Frame, LG G-series, and Sony Bravia SKUs Costco does not carry. Amazon is the pick for mid-tier and budget TCL, Hisense, Insignia, and Fire TV shoppers on Prime.

Primary sources referenced

• Best Buy TV Category
• My Best Buy Membership Plus
• Costco Concierge Services
• Amazon TV Category
• Amazon Return Policy

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About this section

TV pricing, return windows, warranty terms, and membership tier benefits at Best Buy, Amazon, and Costco are subject to change and vary by SKU, promotion window, geography, and account type. Verify current terms directly with the retailer before purchasing. Costco Concierge coverage, My Best Buy Plus and Total benefits, and Amazon Prime terms are set by each retailer and reviewed periodically.

Written by Austin Pua, Cashback Expert at ShopBack.

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Brands, work with us: austin@shopback.com.