For a couple coming down from NY for a weekend in Orlando Garden Grocer was great. We were able to get some breakfast and snack foods along with beverage options, that if we bought them in the park would have been 5x the price. Garden Grocer is a fantastic idea if it's for a couple or for a family of 4 in regards to saving money and eating healthy in a place that's all about getting your $$.
I was hesitant to try grocery delivery to Disney, but Garden Grocer was exactly as advertised. Prompt, reasonably priced, strong communication structures, and so convenient to use. Definitely recommend!