For this one most app will require you to be at least 18 years old. This is great for college students because you can pick your own hours and your own deliveries. That means if there is a time when you don’t have anything to do you can pick up a delivery or two. Most apps will let you take all the tips and some of the delivery fee. Some popular apps are Uber eats, Bite Squad, Postmates, DoorDash, and Grubhub.