I can't give you any information on garden grocer but I can give you one tip...
What we do is order water to be delivered from staples.com or costco.com. Then we take snacks, breakfast muffins for me, microwave popcorn, etc. in a suitcase. Then we have that suitcase for our Disney purchases! I found that snack items are cheaper to purchase here at home and take with us.
Just a suggestion...another idea to think about.