I wish I could help you out with picking up this Campster
but there are several variables that prevent me from doing so even though I live a mere 2 hours from it. The first, most important reason is that the trailer does not appear towable in it's current condition: With all of the cabinetry heaped in the middle of the trailer I doubt very seriously that the wiring is intact and the tires
do not appear in good shape either. I'm new to this trailer hobby and am not comfortable with the risk. If you examine the trailer carefully, IMHO, you might conclude that this trailer is best picked up on the back of a flatbed. There is no telling what condition the frame is in either. Furthermore, I live in a condo and already have one restoration Campster
in the garage. I do not have a place to store an additional trailer.
Have you communicated with the seller yet? Perhaps you can make some kind of arrangement. He only placed the ad on Craigslist yesterday evening. But in all honesty, I do not know how you are going to be able to get the Campster all the way back to Wyoming without spending a sizeable amount of time and money in California just getting it road-ready.
Sorry I could not help you out beyond posting the ad.
Best of luck to you in your endeavor!