Your competitors in MA could probably best answer your question. But why would they? They would be handing over the jobs they currently do to someone else. The most difficult park of being a mystery shopper is researching and signing up with many companies, developing a relationship with the companies, and identifying jobs in your area when they come up. All very time-consuming.am assuming that you are just getting started
You may want to check out Jobslinger.com and sign up with the companies that have posted jobs there that are in your area.