It is no picnic. If it was that easy you'd have girl scouts doing it. That is what the driver of the LotuSport rig used to say to me when I worked for and traveled with the 4 Lotus X180R racecars.

You have a ton of liabilty (crash into a minivan and hurt someone and you are looking at a million dollars out of pocket for your insurance company), and it is on the top 5 list of most dangerous occupations IIRC.