I was actually called by them a few times to do Mystery Shopping.
Mystery Shopping is when you are assigned a location, and given a certain item to request, order, etc.
After you complete the shop, then you turn in a report to evaluate things such as customer service, wait time, cleanliness, etc
It was a great way to evaluate customer service, give your opinion and be paid for it.
If they call you, give it a try.
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