Hmmm. Well, I guess in this case I would just try not to think about it too much and carry on getting other shops. Then when you do receive the call, do the report and get paid, it's a little extra that you weren't counting on for that month.
Some MSCs take a long time to pay, so I just try to think of it as just a part of the business and try to be happy whenever I do get paid.
Thank you for sharing this with us so we know what to expect if we decide to do one of these.
There are two types of people in this world: Those who can extrapolate from incomplete data.