But, if you are investing in solid C class and above, as long as you are screening properly and doing your job as an owner in giving people a good place to live, making repairs, etc, people generally take care of a house. 

I would buy in a solid appreciation area.

If you want to splurge and add a patio cover, that’s a nice touch, but it’s not cheap.Privacy: Make sure to create separation and privacy between the main home and ADU by constructing solid fencing in the appropriate location.

After close we're investing in a new automatic gate, management software, and automated unit entry systems to start.I have a family friend we're working with for private-money type financing, but does anyone else have another solid financing partner for this type of project?

Also, @Kayla Govier had solid comments as well!

Typically commercial lenders are looking for 35% down, some will do 20-25% for multifamily commercial, and rarely less that that unless you have a track record/solid history with these types of value add deals.

I'm managing from out of state for the next 9-12 months so I need a cleaner that I can trust and has a history of quality performance and a solid reputation.

Do you have a solid spreadsheet/calculator?

I'll end up leaving about $10,000 in the deal, but it's a solid long-term hold that I'm unlikely to worry about structurally for many years.

Unfortunately the building I bought in does not support STR but I still think its a solid play as a regular long term rental.