There are lots of store loyalty cards, bank accounts, and even credit cards that let you round up your purchase for a purpose.  If it’s your bank account, they’ll usually tuck it away in your savings for you.  If you’re looking for a way to donate to charitable causes, but don’t have the means to make a large donation, consider rounding up your purchases to the nearest dollar and donate that amount.  For instance, if you make a 7.60 purchase, if you round it up to 8 bucks, 40 cents goes to a charity.  Or store loyalty cards like Rite Aid or Whole Foods will handle the whole thing for you, just round up and make a small donation right on the spot! It may not seem like a lot