Every time you check out at a retail store, there’s a decent chance someone asks if you want to save 20% by opening a store credit card. The 20% is real. Whether the card is a good idea depends on how you plan to use it.

The Case For Them

If you shop frequently at a specific retailer — a grocery store, a home improvement store, an online retailer you use constantly — a store card can provide consistent rewards that add up. The Amazon Prime Rewards Visa gives 5% back on Amazon purchases. The Target RedCard gives 5% off every Target purchase instantly, with no points system to navigate. For households that spend $100+ per month at these stores, these are legitimately strong rewards cards.

The Case Against Most of Them

Most store cards have APRs of 25–30%, which is significantly higher than most general-purpose credit cards. If you carry a balance for any reason, the interest will erase any rewards you’ve earned and then some. Store cards also tend to have low credit limits, which can disproportionately hurt your credit utilization ratio if you keep high balances relative to the limit.

The Opening Discount Trap

The initial 15–20% opening discount is appealing, especially on a large purchase. But it frequently leads to signing up for a card you wouldn’t otherwise want, adding a hard inquiry to your credit report, and opening an account you’ll carry a balance on or forget to close. The discount math often doesn’t survive contact with the first interest charge.

When to Say Yes

Say yes if: you pay credit cards in full every month without exception, you genuinely shop at this retailer regularly (at least twice a month), and the rewards structure is straightforward without confusing points expiration or redemption limits. Say no if any of those conditions don’t apply.