What do you do when the kids are running and climbing along the walls and you need to bring them down a notch? What can ease the burden when you're buried under mountainous piles of paperwork at work with no end in sight? Maybe you're at the gym playing tennis when you suddenly crave something healthy to keep you going. With DoorDash, users can order from their favorite restaurants and have the food delivered to them anytime. DoorDash is offering no delivery fee on your first order.