Cash-back apps, browser extensions, and credit card rewards programs make shopping feel like a profitable endeavor. Retail promotions promise percentage rebates, statement credits, and bonus cash for purchasing featured items. However, buying an unnecessary product to earn a modest cash-back reward is a common financial trap. Marketing incentives often trick consumers into spending more money than they actually save. Before purchasing an unneeded item, you must analyze the fine print. I will examine seven cash-back offer details to read before buying a product you do not need.