Barclays Upromise Boosts Rewards Rate for Cards Linked to 529 Accounts

The Upromise Mastercard is one of a handful of credit cards that lets you funnel rewards directly into a 529 college savings account — and now, the card is becoming a bit simpler and more valuable. In short, there’s now less math involved, and the card’s effective rewards rate is rising by about 6%. Here’s what’s…