So I gave my WH20 the best I could given my limited skill level. It wasn't a complete waste case so there's no dramatic before and after pics.
The good:
New boulder set
New star posts
Replaced all the plastics I could find
Shined every piece of metal I could
Playfield got the TC buffer kit and wax treatment
New rubber, even the black ones!
Attempted to flame polish ramps
New ramp decals
Removed mylar from mini-playfield and pop bumper area
Installed Mantis ramp protectors
Glued bigfoots arm hair back on
The bad:
Insanity falls decal is terrible, what can you do?
Probably went too easy on the flame polishing but maybe not.
Game plays a whole lot different with Mantis and red rubbers. Hulk MAD!
I used the bag and tag method which was okay, but I made the mistake of making "piles" at times, which was bad. Also I really, really, really wished I would've written down the ORDER I took things apart so that I could reassemble it in reverse much easier. I must've taken off the bigfoot bluff ramp at least 5 times during reassembly.
A big thanks to any and all online resources I used.