When opening a second or third ad account, does it matter if I use the same payment information?

No, you can use the same payment information for multiple ad accounts. 

For more insight into managing ad accounts, refer to the program video Module 1-6 How To Create Your First Ad Account. 

Also, don't forget to register for our weekly live Group Mentorship sessions. They are key for getting extra help and deepening your understanding of the program. You will automatically receive weekly invite emails on Tuesday of each week with email subject lines that always begin with "[AdV] - REGISTER" where you can register for each week's calls.