As well as being famous for potatoes, Idaho actually exports plenty of other products and you can be a part of their journey as a commercial vehicle driver. If you've thought about obtaining a CDL in The Gem State, the license itself costs $40. However, you'll also have to pay $70 as an office fee and for the skills test. For endorsements, these are $15 each and they include; school buses, passenger buses, hazardous materials, air brake restriction removal skills, tank vehicles, and doubles/triples.