I highly recommend Garden Grocer. The website is easy to navigate. Good choice of items and the delivery was made as svelte.
Garden Grocer saved us a lot of money on our Disney trip. We stayed on property and did not rent a car so having the basics delivered right to our hotel room, we were able to have drinks, snacks, and sandwiches right in our room. Even with the dining plan we knew we'd need late night sandwiches and bottled water for the long hot days.