Thank you for your advice!
I have the same sentiment about retirement and my use of my CNC. I have been retired now almost 3 years and a woodworker for over 50 years. I picked up my 5 pro about 2 years ago. The biggest learning curve for me was understanding 3d carving and speeds and feeds. I was able to find a great one on one teacher (Jason Woodruff)that I meet on line once a month who has enabled me to produce some beautiful models. I get the enjoyment of producing 3d models when I want to and not be pressured into making money and a production environment. If some day I accumulate a number of models I might do a flee market to see if any sell with the purpose only being for more wood.
And then after all of the marketing you will get a good shock at what that SHIPPING COST is, then you have the problem of does the customer pay for shipping or do you. IF it is either the piece just went up in price and buyers may back out of buying! Check things out on Etsy for woodworking products and see the prices!