Bilt, a rewards and payments start-up, has three new credit cards that can help users earn points when they pay their mortgage. You will need to do math.

Bilt on Tuesday unveiled Bilt Card 2.0, a revamped lineup of three credit cards that, for the first time, allows homeowners to earn rewards on mortgage payments.

Details are out on three new Bilt credit cards and how they allow cardholders to earn points on rent, mortgages and beyond. Here's whether they are worth it and what you need to know.

Blackhawk Network (BHN), a global leader in rewards and branded payments, is expanding its partnership with Mastercard(R) to launch two new filtered prepaid card rewards products: the Drive Prepaid Card and the Grocery Prepaid Card.