tbh, we use a support car everytime, and by god, does it help..... its a boring job for a single person, but depending on accomodation etc, i guess you can a mate could do it (just for the company really)
give me dates, route etc etc of when ya doing the c2c, and ill plan some meeting points for you...
let me know if you have sat nav, and i'll include other points if this is the case.