Catching Open Credits to Use on New Invoices

Here is a common problem: you  post an invoice into A/R without realizing the customer has a open credit. How do do you catch these? How do you prevent a statement being sent to a customer that has an unused credit?  Easy, with PestaRoo’s Warnings, you are notified anytime that a customer has both an unpaid invoice and an open credit. And with one click, PestaRoo takes you to that customer!