I wrote a pretty lengthy post on it HERE if you would like to read up on it. 

All things considered, this is highly likely to at least kick off the long overdue (hopefully) modest recession that we've all been waiting for.

They act almost as a barrier and have a lengthy questioning period to avoid people taking cash.The one intriguing option mentioned was the PayPal transfer.

They will not allow you a lengthy due diligence period4.

This is my own personal philosophy, though, and extends to all areas of life.If I make some grandiose Big "Hairy" goal, it's going to automatically give it intention/significance of beingvery lengthy, difficult, and or distant.

Tax Certificates are where you pay the county the over due tax, lend them money, for a set interest rate.

The tricky thing with owner financing will be how confident you feel in being able to refinance them out of their loan as I'm sure they're not going to want to give you lengthy terms, especially if they need the funds for retirement. 

Sorry for the lengthy post.

Retirement for me will be long over due.

GUILTY.So the advice of get an umbrella policy and making sure you are using your businesses as businesses and keeping them at arms length is the best advice.