Right -- they have a line out the door because that's how their artisanal revenue model works -- producing their specialty in great quantity.

The many Krispy Kreme franchises in In-N-Out's territory had those kinds of lines out the door once too, but went bust when the lines got short.

Kogi BBQ is the epitome of this model -- they have unfathomably long lines and few locations, but spread their resources around by being mobile.