Bottled water, eggs, milk, orange juice, Gatorade, Coke/Sprite 2-liter bottles, frozen pizza, bagels, snacks -pretzels, chips, yogurt for a quick going-out-the-door breakfast. I also order some cheese for quick sandwiches and salsa for use as a dip and also to mix into scrambled eggs in lieu of fresh veggies.
We're longtime DVCers, so I know the extras to bring from home - among some other small items - a pizza cutter, travel salt and pepper shakers and extra laundry detergent (Purex sheets).