A U-Haul(TM)??? Heck, they can fit the entire Rent-A-Closet contents into a couple of bankers' boxes (maybe 3 or 4 tops) and ship it all UPS or FedEx.
Heck, their entire set of sales records can fit into a regular-sized business envelope.
It's not like it would take an accountant more than a few hours, tops, to work through all the accounting records.
An average corner convenience store or gas station has far more transactions, employees, licenses, fees, taxes, etc. than little CDEx.