I have the home owner willing to do owner financing for 6 months to a year with interest while I rehab it then re-fi and pay him off.

And all the tenants' security deposits and all the buyers'Earnest Money Deposits don't need my asset protection, as they are not my funds, and are certainly not covered by any of our Umbrella Insurance Policies. 

Insurance for what?

After a $500 plumber bill I no longer wish to continue stressing out about this business; at the beginning (10 years ago) it was fun and challenging, now, after seen how we are the ogres (landlords in general), the outrageous government response with the eviction moratorium during Covid, the raise in taxes and insurance, service people who charge you more than a brain surgeon, the fact that this country is becoming dangerously socialist and the tenant drama I finally decided It is time to look elsewhere for investments.I just cannot find any information of what to do when I sell my properties.

More insurance will cancel short term rentals.

Closing costs typically range from 2 to 5 percent of the total loan amount, and they include fees for the appraisal, title insurance and origination and underwriting of the loan.”When it comes to closing costs, a trusted lender can guide you through specifics and answer any questions you may have.

I think it will also depends on state laws and a lot of information not present but the HOA rules and insurances are two different things.

Since companies have a limited lifespan (10–18 years on average), cities must attract new businesses to maintain job opportunities.Factors Companies Consider:Low Operating Costs: States with lower property taxes and insurance costs.Low Crime Rates: High-crime cities deter businesses and tenants alike.Natural Disaster Risks: Avoid areas prone to disasters, as recovery can take years, impacting your rental income.City Size and InfrastructureFocus on cities with metro populations over 1 million.

Many stockbrokers and insurance salesmen are not fiduciaries. 

He had insurance on the S-Corp for one million and none for himself.