You will probably have some sort of limit regarding mold/medical, but thee things can turn into a mess, trust me, I manage a lot of units and have done so for almost 30 years. 

We also try to note everything wrong that is readily visible and then categorize each issue as:1) Health & Safety2) Property Preservation3) Marketing Negative Impact4) MiscellaneousThis can help owners make better decisions on which repairs to prioritize, especially if they have a limited budget.

As an out of state investor, I’m not limited to those areas.

This exceeds the small claims court's limit of $10K. 

Study the market.

Our cleaner sends invoices at the end of the month for all of the month's cleans, and we pay them via ACH (used to do Zelle until we got big enough that we started getting hit by Zelle transaction limits).This works great for the properties we own.  

If you don't have water, sewer, and power at the property already, it will substantially limit how many units you could feasibility build even if 100% of the land was otherwise usable.

Building new construction would turn it into an investment property, limiting the exclusion to $250,000 and increasing the tax burden, reducing overall profit.Way to keep the exclusion and still keep the property is to sell this to a privately owned S-corp.

I've never felt the need to study guru stuff, not passing judgment on the commercial side, but the CCIM would probably do it for anyone, get with someone who has taken it, I bet you could borrow materials.

When I started studying wholesaling in august, that's the 1st thing that the "information seller" said to do.