Whenever you pass by a really busy place, you’re likely to see a poster or a sign on the wall for various things. Some will be for promotions of a movie or a play or something if you’re at a school, or books for sale. You can utilize this traffic by signing up for affiliate programs and then putting up some posters up.
Try targeting for the general traffic with offers that students would like near schools, or something like credit cards near malls.
Tons of foot traffic, little to no set up time, no real cost involved.
