Have used this service for years and recommended it to anyone I know that plans to visit WDW!
The process ordering online was as simple as any normal online shopping. The items were delivered directly to my hotel door. The only thing I had to do was put away! The refrigerated items were still cold so I didn't have to worry they had been sitting out. No taxi fees and we saved at least $200-$250 by eating in.
I have done nothing but rave about this service all week. Great find. So nice to check in at 7:30pm and have groceries waiting at the bell desk and not have to immediately go to the grocery store for evening snacks and breakfast food. Best of all, they supplied the allergy-free foods we needed. Love it!