I have called a few times on a sat and sun to leave Al a message and has answered the phone each time. I don't think he gets much free time. And if you look at all the stuff he offers it is going to be a long time for some of it to get ran again.
There are a lot of steps when making something. Have you ever run a lathe or a verticle mill? Not everything he makes is made on a cnc machine. It takes time. It took me an hour the other night to make a gas check expander. Look and see how many of those he offers. That will put it in perspective a little