Amex credit cards are your best bet for saving on groceries

Heads up! We share savvy shopping and personal finance tips to put extra cash in your wallet. Android Central may receive a commission from The Points Guy Affiliate Network Groceries are obviously one of the most essential things we buy on a regular basis, and if you are interested in finding out how you can earn rewards for something you need to buy to survive, there is one credit card company that is focused on just that. American Express has put together a selection of credit cards that, whil...