I took on one of these shops and after reading the shop directions, I realized they copied and pasted some directions from their cell phone purchase shops. To be fair, purchasing a cell phone and plan would take about an hour. Visiting to evaluate an employee's sell of a cell phone and plan does not.
The directions say to arrive two hours before the shop closes, be prepared for the visit to take one hour, and you must wait for the employee to visit with you, no matter how long it takes. The fee is $10-$12.
I arrived at my shop and watched two employees bail on me 10 min. after I arrived. The last and final employee was busy with a customer for the next 30 min. before I gave up. I'll probably have to cancel this shop and take the hit.