Easy, Low Cost Investing with Acorns A few months ago I signed up for an Acorns account. At the time it seemed like a simple way to save a few extra dollars every month (money that I wouldn't have done anything with anyway), and it wouldn't feel like a sacrifice. For the most part that has been true. How Acorns works. When you sign up for Acorns you link one or more checking accounts to your Acorns account. Acorns then monitors the transactions in your account and rounds each of of them up to the nearest dollar. So if I spend $3.12 then Acorns records a "round up" amount of $0.88 or if I spend $198.97 then Acorns records a "round up" amount of $0.03. Once the total of my round ups gets to $5.00 Acorns withdraws that amount from my checking account and invests it in my Acorns account where it can earn money on the stock market. This process allows people to begin investing in the stock market for a very low rate (most of the time you have to start...