They handle all of the legwork, you make the final decision, and you essentially exchange time for x value, which depends on the firm and the individual deal.

What’s the best way to handle this type of transaction to still qualify for a conventional investor loan and not cause issues when filing taxes?

Some things may seem scary initially, but with the right people and a budget to handle problems, any issue can be resolved.Sweat equity during a pandemic really paid off!

Why not give the property to the one person best able to handle it, and then other assets to other folks to equalize as desired, or alternatively simply sell the property at death where there will be no gain and split the proceeds.

I have my tenants handle all the lawn care.

Where to get estoppel:  Title company, lawyer handling the close, google it, plenty right here on BP as well, your agent handling the close - lots of options for you.I would never ask the seller to sign a new lease as they are not you. 

Are there companies out there who can handle the furnishing, monthly cleaning, maintenance of the unit?

For someone that is absolutely 100% getting into this game with a long term goal to grow Grow GROW, how would you all handle this?

Does anyone know any title companies in Arizona that handle wholesale transactions?

I can see that since most residential lenders wouldn't be handling something as complex of a financial situation as your investor's.