This right here. Here we're loading the customer record and updating their discount % Here we're loading the broker record and updating their commision % The

This right here. Here we're loading the customer record and updating their discount % Here we're loading the broker record and updating their commision % They will have 99% identical code. It's possible but exceedingly unlikely we have found 2 things that should be a load_record_and_update_percent(file,id,field,val) Tomorrow the business logic behind one of those will no longer be a simple % and now you have a real mess.