An auction site called U.S. Currency Auctions estimates that uncirculated $2 bills from 1890 could sell for at least $4,500.

Rare coins and bills that haven't been released to the public are often worth a lot of money thanks to an error or specific mint condition, but what about $2, $50 and $100 legal tender notes that ...

You might not think twice about the money you use every day, but you should. There could be some facts about your bills and ...

If you do it consistently, using these tips to save a few dollars here and there can add up sooner than you think!