Check out North American Savings and Bank.

In the stock market you're not exposed in this way as you'll be invested in all the publicly traded companies out there across different sectors, which often move in non-correlated ways.

I like @John Underwood idea - turn off the utilities and call the Sheriff.And once the house has been cleaned up, get a PM company to run this for you, I don't think you have the right mindset for this, and you can't have your son run this forever, right....?

That being said bills are already in place to supplement more insurance companies and options.

Can I put my "company name" on business cards if the company doesn't yet exist?

Remote can be...Marketing, Lease Signing, Lockouts (install coded smart doors), background checks & screening, Virtual Tours, Payments (online or ACH debits)Live In Person (local team)...Showing units, Posting Notices, Evictions, Dealing with Complaints (some need live interaction), Maintenance Calls, Property Condition Tours, Meeting Utility Companies, Meeting Contractors, verifying Contractors work, Live personal touch with residents (can improve tenant relations depending on property), Cleaning, Turns, Police CallsThrough the years, I've learned that there are places to save money and places to invest. 

You can then run reports by property or a total for the company.

Any feed back from these companies?

I am pondering the idea of starting a short term rental management company.

You may have to pass because unfortunately, your company policy doesn't allow purchases above 85% LTV max.