Black Friday is the one day of the year when cashback rates spike across the board: portals that normally pay 2% jump to 10% or more, stores run double cashback events, and credit card rotating categories line up with holiday shopping. It is also the day most people leave money on the table, because they click the first deal they see instead of stacking every layer. The difference between a casual Black Friday shopper and a prepared one can be a hundred dollars or more on the same cart.

The stacking order matters, and it is always the same. Start with the cashback portal: open the portal first, click through to the store, and let the portal track the purchase. Then pay with the cashback credit card that earns the most on that category, ideally a card with a rotating 5% category or a flat-rate card if no bonus applies. Then apply any coupon code at checkout, and finally scan the receipt into a receipt app such as Fetch or Ibotta. One purchase, four layers of reward, and each layer is independent of the others.

Portals are where the biggest Black Friday gains hide. Rakuten regularly runs double cashback events on Black Friday, pushing rates at major retailers to 10% or 15%, and TopCashback often matches or beats it. Check both before you buy, because the higher rate changes by store and by day. Some portals also run flash bonuses for new members, so if you have never used one, Black Friday is the best day of the year to sign up.

Credit card categories deserve a check before the day. Chase Freedom's fourth-quarter categories have included dining, grocery stores and live entertainment at up to 7% back, and other cards run holiday-specific bonuses. If your card's bonus category does not match what you are buying, a flat-rate card is usually better than a card earning 1%. And remember that some portal cashback is reduced or excluded when you use certain gift cards or coupon codes, so read the fine print on the big purchases.

Coupons are the layer most people forget. Browser extensions such as Capital One Shopping find and apply coupon codes automatically, and many stores run their own codes on Black Friday. A 20% coupon plus 10% portal cashback plus 5% card cashback turns a 200 dollar purchase into roughly 140 dollars of real cost, and the receipt app adds a few more dollars on top. The key is to apply the coupon after the portal click, because a coupon applied before the click can break the portal tracking.

There are three mistakes to avoid. First, buying something because the cashback is high: 15% back on a purchase you did not need is still 85% spent. Second, forgetting the return window: portal cashback is only confirmed after the retailer's return period closes, so a return can claw the cashback back. Third, clicking through a deal site instead of the portal, which can overwrite the portal cookie and lose the tracking. Always click the portal last, directly before the purchase.

Prepare the night before: check portal rates for your target stores, confirm your card's bonus categories, install the coupon extension, and make a list of what you actually need. On the day, work through the list in stacking order and do not improvise. Black Friday rewards preparation far more than impulse, and the shoppers who earn the most are the ones who decided what to buy before the sales began.