yes, they do make a grocery stop- we have used them several times and have nothing but great things to say about this company
this is from their reservation site:
"Grocery Stop: YES NO NONE Albertson's Fax Ahead Service: PLEASE CHOOSE YES NO
*Albertson's is available for all of the Disney Resort transfers. Unfortunately this service is not available for Universal & International Drive area transfers.
* Complimentary 15 minute stop valid on Round Trip Transfers only. It must be requested at the time of initial reservation."
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