As for returning the deposit if there was clean up, hopefully you took photos of the condition of the home once it was vacant and have an itemized bill to present the former tenant. 

That is a very general question and each area has its own market conditions so what works well in one area may not in another.

One key lesson learned from the Stowers Road project is the importance of thorough market research to ensure that renovations align with buyer expectations and local market conditions.

These "investments" were pure speculation driven by a set of economic conditions which no longer exist.

Roof and HVAC are in good condition.

I don’t know about Ohio but here in California a property must have a heater to be habitable, however air conditioning is entirely optional.  

Market value typically refers to the price a property would likely sell for under current market conditions, while property value can sometimes be an assessed value for tax purposes or an estimate by an online tool.If you're seeing a significant drop in your property's value, I’m guessing you might be using Zillow.

Instead of going through banks or credit unions, this method involves borrowing money from private individuals or organizations.A major benefit of private money lending is the flexibility it provides in terms of loan conditions, interest rates, and repayment schedules.

(I do have written notice of with Condition Report). 

The lender has required a 'Prior to Docs ( “PTD” ) Condition':"Business Verification Needed - Broker to obtain a CPA letter to confirm the borrowers current business waspreviously filed as sch c and confirm how long been in business for."