This means, when you save money, save it as early as possible. Even days matter - plenty of banks calculate interest daily, and add it to the account monthly.

This means, when you save money, save it as early as possible. Even days matter - plenty of banks calculate interest daily, and add it to the account monthly. When you borrow money, borrow it as late as possible, and pay it off as quickly as possible. Every day you delay, you also pay the interest on the interest for that day. (and so on and so forth, actually!) Above all, be prepared to do the math.