Capital One's Capital On Tap Promo offers cash back on all your gas and grocery purchases. This offer is more appealing than other credit cards due to the fact that it not only gives you 1% and 2% cashback, but also offers you 3% cashback on the first three dollars you spend in these categories each year (gas station/grocery shop) and 1.5 percent after that (until the quarter following).You can use it on anything they sell, including furniture, appliances, and more and isn't limited to cashback…See More