"I'd be surprised if a suitcase-sized quantity of things didn't reach the $950 threshold" how would that surprise you? A whole cart full of things is under 300.

A 4-pack of razor cartridges is $20 at a convenience store. The markup means a relatively small volume of space can translate to rather significant dollar amounts. Lots of small, expensive products are sold inside these type of stores: makeup/beauty products, etc.

of groceries, sure. Of liquor?