Originally Posted by tbone14

Look into Plastiq. That service allows you to pay the mortgage with a credit card, but there is a 2.5% fee. They sometimes do promotions, which would reduce the fee further. A few years ago, I paid my federal income tax bill with my credit card, as I was a 1099. It was ~$20k, and the fee was approximately 2.5% too. My logic was that I'd be getting 20k award miles, and that would be equivalent to 4 transcons, without actually flying, so it was worth it to me. 20k award miles was at least 1 round trip, so the cost was negated. The award miles from your credit card reduces the fee %.