It negatively cash flowed but had some land value and value in the homes.He decided that for him to put in the work, he would need to more than triple the purchase value against the potential.  

It would be a long journey and lots of know-how need to be learned.I need to find a location and prosperity and do fine detailed calculation with double, triple, cross check and need to find a good reliable builder in this area to team up (long term).

For triple liability insurance, I use a  RMLO on all my lease-option transactions.  

Pretty sure it hasn't doubled or tripled to keep inline with how much the house prices have gone up in the Bay area.

FWIW, my repairs + CapEx are about 16% of gross rents ... and that's on rents about triple these ones.  

Keep in mind that ballon feature is very risky so only commercial offers it and that is why they give you great rates under that of the national lenders because they are offering a balloon which is about triple the risk for you.

I've had over 100 properties, which included single family homes, duplexes, triples, 4-plexes.

Run your numbers and double and triple check them.

With the house comes a 10 year triple net corporate contract where the company will pay me $3,000/month every month for the next 10 years. 

Hoarder house way under market, cleaned it up and tripled the value in six months.