Rents will go up.

In that scenario - I would worry that our long term renters would not like that strangers are walking up their steps and entering the doorway 5ft from their front door every weekend. 

So even if you had a buy out agreement negotiated up front and execute that buy out agreement, the bank would still require him to be guarantor unless something drastic changed on your side financially.The best scenario here would be to purchase and rehab the property using a hard money lender or bridge lender.  

I was considering having a lawyer draw up a baseline loan doc and make tweaks to it on a per loan basis.

There are some great meet ups in your area I'm sure and a lot of people at those meet ups are more than happy to chat and give ideas and answer questions.

)  Arizona Arizona is a snow bird state, we have golf, baseball training, then a dead hot summer where nobody comeshow can I come up with some numbers before wasting time to look for furnitures and buying beds ?

To be fair I'm not super up to date on the "uber of offices" concept that you are hinting at, except inasmuch as to say "um, didn't that idea kind of die off with COVID?"

When we found this deal the community had around 45 homes in it, now we are close to 60 total homes and looking to bring that number up to around 80.

Yes, You can buy and asset, fix it up and rent it out to make money without you physically having to work for the money. 

That fee went up to $20k in Season 4.