If you're a small business owner looking to save money on your purchases, consider signing up and using one of the cards ...

Here's how to use cash back apps to save a little on everyday spending.

If you spend $2,000 a month on a card earning 1% cash back, you're taking home $240 a year. But if you switch to a 2% rewards card, that number doubles to $480 -- same spending, same habits, just a ...