We have a donut shop near us I call $5 donuts. Their business plan is simple - they make these really exotic handmade donuts once in the morning - then they close their business when theyve sold them all. Businesses in the area go there to buy donuts for meetings - people buy them for other people as a "treat" - some line up in the morning. I've seen them close as early as 10am. They dont want to stay open longer - thats their model. The anti-corporate model made this business a success. When they sell a lot of a particular donut - they stop making it and only make it once and a while. This is the exact opposite of what a good MBA program would tell you to do - but in 2018 it works.