FYI not every bucees is the size of a department store, although most of the ones they’ve been building along interstates over the past 10-15 years definitely are.
There are plenty, especially near Lake Jackson where they are headquartered, that are the size of a regular gas station.
They sell everything in the middle of nowhere. They make fresh fudge and candies. They sell gas. The bathrooms are always clean. Their logo is an anthropomorphized beaver in a hat. It's glorious.