Start with a lucrative bonus, add 3% back on restaurants, 1.5% back outside of bonus categories and flexible redemption options, and you have a winner. The card's rewards structure isn't the ...

How to invest: One common approach is to stash money in a money market fund such as the Vanguard Federal Money Market ( VMFXX, yield 4.2%), which draws on a rock-bottom expense ratio of 0.11% to ...