The buyer is proposing 60% down and 40% owner finance. 

The book is saying open up multiple accounts for your business for the purposes of charitable giving, owner income, taxes, paying down bad debt, etc.

Always best practice to be listed as additional insured as the property owner as well. 

If you've got the NAME and ADDRESS, what's the best way to contact the owners.

Homeowners can rent their house to individuals looking for vacation opportunities or they can rent their house to a business owner who intends to use it for business purposes.Shifting Income from Your BusinessIf you are a business owner and do not use your home as your primary place of business, employing the Augusta Rule can be an effective strategy for moving income away from your business and shifting it to personal income, where there would be no tax consequence.For example, as a business owner, you host a monthly meeting with your Board of Directors.

I did not join but sounds like Brad is teaching what is similar to what Ron Legrand does which is buying sub to or owner finace and then putting lease purchase buyers in place.

Parks get shuttered and sold for new development when park owners fail to keep rents ahead of inflation and competing CAP rates and other uses become more lucrative.  

So many owners get calls from guests of water pouring from the cieling below the bathroom into kitchens or gamerooms and it is from guests kids showering with water pouring out getting all over the floor and coming down below. 

The owners were Spanish speakers, which I am not.  

What is your niche market where you have the most properties and the most business, people know you, and your trades and PM are close.If the owner ever wants to sell, I want your guarantee that you will refer the sale back to me.