@RCV , thank you so much for suggestions - I was actually thinking to go Replace card or Reset PIN, but I was afraid that the resolution can take even longer. It is also a very good idea to add the QB checking account as another payment method to those vendors I pay. Tying all payments to one card was not a good idea to begin with, even with the most reliable card. The issue was resolved yesterday - I got up at 6 am to try calling early in the morning and that worked. The other times I probably got into the most crowded times with long wait.
The links you provided would be great to know for any future incidents with payment. I would also like to mention that Green Dot Bank has a pretty responsive support team on Facebook - they sent me a DM offering help, but a little after I already had that call that solved the issue. I feel that I may have overreacted under pressure of "card declined" messages and some of the other info on the web from people who had negative experience. I also had an impression that QB support (I used many times) would only help with QB software interface and accounting questions and not with bank/payments. Thanks again for the help!
