For the gas ones the way it works is that the owner services it with aftermarket parts. It's all cookie cutter stuff. You break a spool valve and you punch sp

For the gas ones the way it works is that the owner services it with aftermarket parts. It's all cookie cutter stuff. You break a spool valve and you punch spool valve into Amazon and someone is selling the same Chinese spool valve they built the machine with. For the electric ones? Your guess is as good as mine but the fact that he says they sell parts makes me think that they're more tightly integrated machines and it's not as easy to source parts the gas ones so he buys parts with each order.