gmc 2500 sierra pickup

I am selling a 2006 single-owner Four-Wheel Camper Grandby mounted onto a 1998 GMC Sierra 2500 Extended-cab, long bed, 2-door ¾ ton pickup. The truck and camper are in great condition and are being offered for sale together as a package for $18,000 cash. Here is the link from the Craigslist in...