All kinds of goodness grows in Idaho soil -- from the state's famous Russet Potatoes to all manner of precious and semi-precious gemstones. Idaho issues a fair number of business licenses and permits at the state level, leaving cities to go easy on the licenses and permits they require of entrepreneurs.
In Idaho, when you scream, I scream and we all scream for ice cream, somebody may need a permit. In many cities including New York and Philadelphia, the sale of frozen desserts are specifically regulated and require special inspections and permits.