I’ve heard that in some places they buy cases of soda and sell them to convenience store owners for half price.
Here’s one of the dozens of stories of big time fraud (not just standing on the sidewalk and selling the EBT value for a few dollars in order to buy liquor and drugs with the cash).
1.3 million dollars fraud by store owner Lakhbir “Lucky” Chahal (went to federal prison)
https://www.mlive.com/news/flint/2017/07/liquor_store_owner_worker_get.html