Annie Smith worked as a food-delivery driver for Postmates for about six months in 2020. She shared the mistakes she saw customers commonly make on food-delivery apps. Smith said customers shouldn't ...

Instacart lets you order groceries from over 300 stores nationwide, and have the items picked up and delivered by freelance shoppers.

You can tip on Postmates just by opening the app, which will ask you to leave a tip before you place another order.