Late fees, punitive interest rates, over-limit fees, loading up your credit report with negative information—it’s enough to make you scream! It’s not that your creditors are doing anything illegal. You just didn’t understand the power you gave them when you accepted that credit card. It was buried in the fine print. And now, it seems like they’re staying up all night looking for new ways to stick it to you. If you’ve just about had enough, maybe it’s time for you to turn the tables and get back at them. Pay Early According to industry research organization R.K. Hammer, in 2016, credit card companies hauled in $163 billion, 30 percent of which was derived from annual fees, late fees, and over-limit fees. You’d think they would be pretty satisfied with all that interest you send them each month. But no. They want more. The days when issuers allowed 10 or …