Sounds like a good plan, should have plenty of options available.I would be cognizant of any group you talk with on two areas, the location of the property including any potential concerns of it being 'rural', as well as the minimum purchase price and/or minimum loan amounts.

This should include potential rental income, expenses (including property taxes, insurance, maintenance, and potential vacancy), and your expected return on investment. 

Mostly a single ADU added in a single family zone area will add less value than the cost of the hands on addition.Depending on the financing my underwriting with a high LTV (80% LTV) for $200k would be cash neutral at a rent point at about $2200 when allocating for all expenses without including any land value.  

Helps with your debt to income, better opportunities at cash flow, and typically requires less down to purchase.In regards to challenges, I usually build in an extra 10-15% to deal with things that I can't see behind the walls, including dry rot, electrical or plumbing issues, etc.

S8 standard voucher amounts INCLUDE all utilities.

The home needed a lot of work including roofing, windows, siding , kitchen, baths, and mechanicals.

You have to adjust your expectations to match current reality, which includes higher mortgage rates, higher prices, more expensive taxes and insurance, more competition, etc.

Licensed with permits ~$3,250.HWT standard gas single family low efficiency without exhaust retrofit $900.Sand and stain hardwood floors, natural stain $3 per sf.Paint interior walls, ceiling trim and doors 3 tone paint scheme 2 coats $3.20 per sf (floor area cost includes paint)Click lock LVT flooring install overlay inclusive of prep and quarter round $4.50 per sf (materials and labor)Asphalt roof installation 3/1 - 800 sf bungalow with 2 layers of shingles - ~$7,900Standard porch cap replacement with 2 new precast concrete steps ~$2,500Used stove or refrigerator delivery and install $350New stove or refrigerator delivery and install $HD model specificUse this as a general guideline. 

Common fees will include a set-up fee, a leasing fee for each turnover or a lease renewal fee, marking up maintenance, retaining late fees, and more.

. - Your portfolio will suffer:(You want a PMC that has great systems in place, including a great portal where you can keep tabs on eveything.You will also need to manage your PMC on a regular basis.