That 53 is too nice to carve up. and, it sounds like, unless you have a pro do the job, it's a task beyond you. Why not get a Globetrotter or safari...thats done...in that same 10 grand range? I know you will enjoy them more. Now, if your into Airstreaming without the joys of a bath/toilet and hot water.....go for it,
"If it can't be reduced, reused, repaired, rebuilt, refurbished, refinished, resold, recycled or composted
then it should be restricted, redesigned or removed from production."