It is important to be creative, authentic, and aggressive.
20 Mobile Produce Truck parking spots in Evanston
"We would have a few trucks, and they would drive by with items until they sell out."
Allowing them to sell 50 sandwiches from the car in 2 hours.
There are terminal-less options where you simply type credit card info and have a different company process the payment for you, but there are two major flaws to this process.