But a Cooperative Assignment has almost zero risk and capital requirements.

Get a $M liability policy, that covers the most serious issues worst case usually, like death.

Other years we had other nice 179 deductions that reduced profits to zero.

Even if you follow those guidelines the ultimate decision rest with your brokerage and what kind of liability they want or will accept.The activities you are wanting to do may not be covered under their E and O policy or the brokerage may simply not want you doing these types of activities.

I have had a "no pet" policy for some time.

After thought: Realizing that my income and ability to pay off mortgages increases as each home reaches a zero balance.

Insurance is another consideration, the owner needs coverage, you'd want coverage and the tenant would not be covered unless they had a renter's policy.

I hope I'm not coming off as egotistical, but My wife wife and I are raising two small kids with a single income and zero debt outside of our mortgage.

Take a look at what has been happening in Japan using the same ridiculous monetary policies.* Tenants will cause damage to your flip-quality finishes, so you will end up spending more money when ready to re-market.

Better yet, change your contracts to require the seller to prove they have marketable title and you pay for the title policy!