If its a chain (more then one) then you would have to pay the business Like 1,000$ so in all it would be like 4,000000000000000$ Sorry !! it cost alot!! (not that much)
Start small and expect your first year to be slow (until you've established clientele). 6 stations should be fine (in Chicago 1 shampoo bowl is required for every 3 stations, you could try 4 stations...
You can do so with very little capital. It depends on if you intend to sell just life products or P&C as well. Everything depends on your state. You must obtain a license ($100-$300) E&O...