There's no guarantee, so you buy it and you're stuck with it. I tried the service, got a cake that ended up in the trash. Awful. It had a strong medicine or chemical taste. I feel like it was bad. They offered a $15 off coupon, that's it. Nothing more from the extremely slow customer service and no follow up.
Here's the coupon (expires October 1): SUMMERFRYDAY
"We really do appreciate your feedback and will certainly pass this along to Savannah's Candy Kitchen. If you'd like to try something else, here's a code for $15 off your next qualifying purchase (expires October 1 2020): SUMMERFRYDAY