I really don't understand your question. If there was something wrong with the work you had done and been paid for, yes, you should take care of it but even that should end after a certain amount of time, say 90 days or 6 months. From what you are saying this sounds like additional or extra work and the customer is taking advantage of you because you can't say no. So if you don't want to do this work tell her no. Otherwise next time she calls give her an estimate and make it clear that you expect to be paid. What she paid you doesn't make you her indentured servent. :happysad:
-Hal