bhai proper knowledge, patience and hardwork only and any car can be fit here.
a very easy task is to fix hand brake and i had to open it many times to fix it properly even the rear hubs and welding processes, it broke two times, didn't work many times but atlast it was successful.
if a person is not interest in DIY then he should atleast get some expert to work on it and keep a sharp eye on work going on. every car can be fixed here.