A well maintained original car commands a good price, is a 60s icon & is usable as transport in modern traffic & turns heads, & the drum brakes are way way better than a 1936 motorcycle . A good custom car blending in modern or period modification is a different thing, worthy in its own right. But there is a big difference between quality lean steak & corned beef! And plenty of projects end up half finished on ebay ,( probably some of them are good value if you know what to look for & save money & labour compared with starting from original)