Can't purchase additional state: trouble authorizing credit card

I need to purchase North Carolina to prepare a family member's return. I enter my billing address, validate it, go to the next screen, enter my payment information, click Continue and then Place Order and get the error:

We are sorry, we are having trouble authorizing your credit card. Please verify your billing address, card number and CVV and try again.

Everything is accurate. I tried a different credit card. The old workaround of using a street address of 123 Main St doesn't work.

I can't believe we're still having this problem, TurboTax. TAKE MY MONEY and don't make it so hard!