During the interview, first find out whether it is a company-operated store or a franchise store. Company-operated stores are more standardized; franchise stores depend on the owner.
The headquarters is seriously understaffed. The company is developing too quickly, and the managers cannot keep up, but there are also many opportunities.
You need to accept that this is not a place to settle into until retirement. However, the owner is just very strange and unlike a typical boss—but bonuses are paid when the company makes money.
It is just like going to war: there is order amid the chaos, and people come and go. If you can get a handle on things, you can find your own place here.