User Activity

We have a membership that entitles customers to two visits per year. we were thinking of using the job completion survey to follow up and schedule customers for their next visit (roughly 6 months out), but its not realistic with the current template ...
Our technicians duplicate forms regularly when ordering parts from multiple vendors, but we are not getting the points in ST Advisor. Any notes?
We are new to PowerDialer campaigns - do most users just have one campaign at a time, or can you switch between any that you are assigned to?