It's so annoying to buy something one day, then see it the next day for fifty bucks less.<br />In the past, credit card companies used to offer "price protection."<br />If you were patient enough to do the paperwork, you'd get a refund for the price difference.<br />According to Business Insider, credit card firms offered it because people rarely used it.<br />Now, apps like Earny are doing this for customers automatically--and credit card companies are deluged. <br />
