Deal that sells out can still lose money Amazon discounts rarely cost only the p
By Steven Pope · October 21, 2026 · Curated by George's Blog
Deal that sells out can still lose money
Amazon discounts rarely cost only the percentage
You typed into Seller Central
Coupons carry a fee
Lightning Deals carry a fee
Ad clicks get pricier in Q4
FBA fees stay the same when your price drops
Put all of that on one unit and
Winning promotion can sell product at a loss
Then there's discount stacking
Coupon
Prime Exclusive Discount
Sale price can hit the same ASIN at the same time
If you don't check
Shopper gets all three
You pay for all three
Before you launch any Black Friday or Cyber Monday deal
Do the math
Know your profit per unit
After referral fees
FBA fees
Ad spend
Promo fees
Set a floor price you will not cross
Open Manage Promotions
Look for overlapping discounts on the same ASIN
Give every deal a job
Clear aged inventory
Push organic rank
or win new customers
If a deal has no job
Don't run it
Track TACoS and organic rank
in the weeks after the event
That's where you find out
whether the deal paid for itself
Brands that win Q4 plan their promotions
around profit not volume
Discount is an investment
If you don't measure what it returns
You're just giving money away