Originally Posted by HostaPolis
This is something I have done for some of my sites in the past and have liked using it. I am thinking of adding in a membership credit system where the more you buy with my company, the more "credit" you get to your account. Kind of like a discount that accumulates over time, if that makes sense. Not really sure on what you would call this but I think it may be a great way to draw in customers as well as keep them around.
as you are using WHMCS then this is ideal for what you want