Walmart has been known to allow overnight parking, though it varies by city due to local laws. According to Walmart’s corporate website, the store specifically allows RV travelers to park overnight.

A recent rumor has fooled some Home Depot customers into believing they will soon pay before even entering a store ... The article reported that a parking fee structure would vary by location ...

Their partnership resulted in over a thousand Murphy c-stores being built near Walmart parking lots ... allowing both companies to build their c-store footprints independently.