I did my first snare build with parts and a shell I got from John at AM Drum Parts. Basically, it was a finish and assembly kit - I got a shell that was drilled and edged, so I all I had to do was finish the shell and put it together. This drum has been a mainstay of mine since about 2005.
At another point I wanted to do another project - I don't exactly recall what the specifics were and I no longer have the email because it's been too long ago, so I can't reference it - but I think I asked him to drill a shell, but that had already sourced the lugs from somewhere else. He wouldn't do it - the general gist, IIRC, was that it wasn't worth his time unless I was also going to source the parts from him.
He was super cool to work with on the first project, and he did great work, and the parts and drum shell were all solid quality, but after I tried to use AM Drum Parts the second time and he refused, that was the last time I tried to do business with him. YMMV. I know that I'm not a huge customer, but I have done several other drum builds since then - his loss, because I would have continued to use him had not told me that I basically wasn't worth it.