There are lots of businesses that leave rewards on the table by not using the most rewarding business credit cards . In this post, I’d like to take an in-depth look at the  Ink Business Cash® Credit Card — this is a credit card that I personally have , and it’s one that I love. Of Chase’s excellent collection of Ink business cards — including the Cash, Preferred, and Unlimited — the Ink Cash is the card with the biggest bonus categories, and which can potentially earn you huge amounts of Ultimate Rewards points . Much like with the Chase Ink Unlimited, there’s a trick to maximizing the rewards you earn on this card, though. The “Cash” part of the card’s name can be deceiving, since you’ll get the most value out of the card by not choosing to earn cash as your reward.…