What are some off-line examples of businesses that pay for each potential customer?

Question

For example, time share companies routinely pay fees in the form of gifts or cash for people to come here the schpiel, knowing that they will close a certain percentage of lookers. I'm looking for other examples llike this in the non-internet world for an article I'm writing comparing pay per click advertising to off-line business.

Answer 1

Casino's regularly give new customers that sign up to their marketing program cash, food, and other goodies.