A2billing Customization

A2billing Set up the fallowing; 1) Ran at midnight, remove X amount of credit everyday at midnight on a specific groups for all active 1st use cards (USED CARDS), admin must be able to change the amount to remove. 2) Expired used card in a specific group after 20 days 3) Ran every few minuets, set all customer credit on a specific groups that is - 0 and below due disconnection charges to 0