About 6 months ago I signed up to be a mystery shopper thinking that it might bring in a (tiny) bit of extra money. Tonight I actually did my first survey! and it was a real hoot 
All I had to do was to call a major pizza chain and order two large pizzas, garlic bread and a bottle of coke. There is an online survey with 40 questions relating to the experience and you get 10 bucks plus reimbursement for the meal. Free food!!
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