This also encourages people to delay, delay, delay maintenance until they sell their own condo, and so condos under this system usually go downhill.The other way is for the HOA fees to be high enough so that stuff like new roof, new parking paving, new siding, etc, can be financed and then is paid out of the normal fees. 

Right click i am afraid of and never do it and don't know what it does not only that I could not tell you what my operating system is or was.. 

And to your second point/suggestions, I think it's  just a matter of creating a system that works for me.

Build systems for them to come to you.

Purchase price: $33,000 Cash invested: $20,000 Sale price: $80,000 2 bedroom, 2 bath, light renovation with new roof and HVAC system.

the CC camps were paid gigs  this is how all our forest and parks got their trail systems built etc. 

The returns you're looking for require a high touch system hard to deliver as an out of state investor but not impossible. 

Blockchain has already been used successfully by startups like ubitquity (https://www.ubitquity.io/about/), which offers an immutable property record system that is backed by blockchain-based smart contracts on the Ethereum network.

My budget isn't the highest, that's why I wanted to ask your opinion on investing in manufactured homes as rental properties.Thanks!

Next item to consider is the lateral system.