He knows who to talk to at CMHA and screens tenants with experience. 

From around 2010-2020 I built and managed a small-medium-sized portfolio in my area (which is not an ideal market).

Every county has different requirements, such as minimum square footage for rooms; maximum number of occupants, hallway sizes (If there will be residents in wheelchairs); and safety regulations which are usually different that owner-occupied homes (for example- Interior fire sprinkler systems).  2.

Any thoughts or experience using RentRedi for distributing listings and tenant screening?

These properties are typically bought by individuals or families who prioritize location, size, and condition, making the comparable sales method more reliable.Income potential still matters, and calculating the NOI can help you ensure the property cash flows well if you plan to rent it out.

Not sure if you've used this feature on BiggerPockets yet but on the top of the screen theres a tab for "Pick Markets"Picking a market worksheet, Top 100 cash flow markets and Market insights are all free to use.

I think the average inventory size is like 4 months right now.

Finding renters with rents north of $3500 for this size of property could take it's time.

the Fee was 4k no way to loan money on a deal for 30 to 60 days and make enough to also have money for the assignor.. and of course depends on the size of the transaction of course.. 

Central bank digital currencies are coming, which will also be unlimited - no different than the numbers on the screen for your bank balance - that cash isn't actually sitting in a bank with your name on it.