Do you have to have a special driver's license?

mowermech wrote:
" RV's do not require CDL (commercial driver's license) unless you are one of the people that deliver them from the manufacturer or if you are getting paid $$ to transport them."

Not QUITE entirely true. At least ONE state (CA) requires a Class A CDL with Doubles Endorsement for towing RV doubles ( defined as truck/trailer/trailer by many people). The reason being, so I have heard, is that that is the ONLY license that can have such an endorsement.
Actually, the CDL is a Federally mandated minimum. All states are free to exceed that minimum if they so desire. Any state can mandate that ALL drivers have a CDL and a current medical certificate if they decide it would enhance highway safety!

Actually it is all kind of confusing for a lay person. There is the Federally mandated CDL, issued by state dmvs, that is required for anyone who drives for hire that is involved in interstate transportation of goods or passengers that move across state lines. And then some states have their own, non-federally mandated, local state required CDL which is required for some who drives for hire, but never leaves the state, or who require a special license to drive larger (weight or length) vehicles for personal use. Two entirely different types of licenses which might have the same abbreviation.