The card features unlimited 2% cash back on all purchases, a sign-up bonus and a 0% intro APR promotion. When it comes to flat-rate cash-back cards, it's hard to beat 2% back, especially when the ...

Our opinions are our own. Here is a list of our partners and here's how we make money. Square is one of a few providers in the space that offers a free version of its POS system. The free version ...