As I neither have interest in fine dining nor fast food, my suggestion for fast casual is Strategic Reflections. The current fee is $5 to $7, with a reimbursement of $10 to $13. The jobs do not require a guest and have a three day window for completion. Finally, the reports are a breeze, they are self assignable and the company has a toll free number that is answered by a human.
I have, over a12 year period, completed 553 shops for SR and am completely satisfied with their attention to shopper assistance.