I've looked into all sorts of vehicle "relocation ". 1 way rentals from uhaul are BRUTAL. Some Uhauls dont even offer it.
Also if I figured it right, the trip is 3000 miles. I'm not really surprised at a $5k delivery price tag. Haven't we all been squawking about fuel costs? Insurance?
Not trying to beat down on OP, just helping some see why the costs are what they are.
Oh I've even looked into a 1 way dolly rental from uhaul...either ridiculous OR not offered.
Good luck