Best wishes i looked at the 3d printing  the machines are really expensive and the logistics can be pretty tough .. will not work well in super tight building lots or areas you need space for the machine and the big pile of sand :)  but on large lots and small acreage.. and the machine was I think 600 to 800k .. but then you own it..  

Back when I was brokering commercial real estate 100 years ago I had a deal on a small office building fall through when during the walk thru just prior to closing the buyer insisted on checking the candy vending machine and verbally to;d us and sent us a follow up letter informing us that he wasn’t going to close because the Baby Ruth’s in the candy machine were stale.  

I don't see a home gym as any sort of additional liability, provided that you have machines that are relatively idiot proof and are not inherently dangerous.

Quote from @Ryan Daulton: It is ATM machines.

Their machine learning capabilities can automate tasks, score leads, and even provide sales forecasting, giving you valuable insights to optimize your sales process.

My three pieces of advice:(i) Source of Life liquid vitamins (on Amazon.com)(ii) Rowing machine (see velocity fitness rower, also on Amazon) -- can get a good work out in only 30 minutes and doesn't take up too much space (albeit more than an exercise bike)(iii) Juicing (with less fruit juice) every day

They were supposed to have their whole "machine" ready so you just "plug in". 

AI machines can extract resources such as minerals and food and distribute them at no cost. 

If not I push to grow the number not from riskier investments but from earnings to increase the machine bringing in the money.

Because Rent Controls VIOLATE the very fundamental of the designed US economic machine, free market enterprise.