Your PF is pretty much showing wear all over the place. Many inserts are worn down to the plastic, and has sharpie on the Bonus X inserts. There's wood showing around the spinner discs, and potentially worn down to the wood in other places (right orbit?). Spinner discs will have to be installed as well. The scoops need cliffy's, the ramps need to be completely cleaned, there are broken plastics, and each and every rubber will need replacement. The amount of dirt shown should alert all buyers to the (lack of) level of care this has had over the years.

The backbox is banged up just about everywhere. The topper is broken at the connection points and yellowed.

I've passed on nicer WW's for less money. If someone sober is actually offering you $1800, I'd take it and run as this is probably a project just to get it playing correctly, and then the PF and cabinet will still look like crap.

Oh no doubt. One of the nicest 11's out there, when taken care of and clean. FFS, this one even has batteries that look like they came free with the cable remote. Helen Keller even called this example ugly. $1800 is lining OP's pockets with multiple extra $100 bills that no one on this site would pay.

Oh of course, but enough Pinsiders creamed their pants at the thumbnails of a Whirlwind that they got the hopes up of a newb that knows no better and thinks his box of junk is now worth $2k, and up for a bidding war.