I saw on cable on demand a demo video by WheelsNThangs, I think where he totally refurbished an old Hot Wheels car including paint stripping, electrolysis to reapply metal to the casting. His youtube is a good place to start, where I think he lists his tools used.Yeah that was a good price compared to others listed. Didn't seem like the seller was a diecast seller, moreso just a bunch of random stuff. I rarely go to thrift stores so I haven't checked since my interest. If I did a customization it would be to create a super fast and stable car. Aesthetics comes second. I haven't really done much research yet on customization, but I plan to start with lubricating the axles with dry graphite on certain fast cars. Taking apart hot wheels, swapping axles/wheels and adding weight and putting them back together is something I may try later down the road. I may start with one of those nice metal/metal premium bodies with a wheel swap and lubricated, although I heard some are hard to work with and may requiring a lot of mods. I'm totally not there yet. I do have a premium metal/metal back to the future delorean that seems to have plastic wheels. I'm hoping it's fast so I can lubricate the wheels. I will only do all of this if I get the OK from my wife to build a track on the wall of our downstairs guest/treadmill room though, lol.
I also saw these youtubers say they accidentally drilled their hand. This is why I haven't drilled yet. I don't have a proper setup with rubber pieces and a clamp. I do have an automatic center punch which is vital for drilling into metal.
I also don't really want to mess with the toxic paint stripping chemicals.
I recently started messing around with Lego train tracks and the plastic small wheels tend to drag on the track, but the bigger wheels with some sort of rubbery o-ring roll nicely.