Small Cargo Aircraft Pilots License And Vintage Aircraft Purchase?

Pilots License and Vintage Aircraft purchase? - small cargo aircraft

I get a driver's license. What is the best way to do this? After receiving the license, I would be an old WW2 Warbird buy more or less, preferably, a small bomber or cargo, C-47 or B-25. What costs should I look for both and I need a new license for the engine number?