Hello, here is my new machine

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A small cheap CNC cannot be profitable, ever, because the cash/investment grows by pwr2/pwr3 vs machine system total cost.

That's not really true...

...but you need to make something nobody else makes and have a group interest in buying those products. A small, relatively cheap machine can also be profitable if you know what to make and who to sell to and how. My machine is a good example. Self design, self made, pretty small and not very expensive. Already version one was profitable, that's why I upgraded. But... I sell something people are prepared to buy, and I even have to turn down some offers because it is just a hobby.