If some temporary negative event happened, we have Roth IRA principle funds that we could pull out to make payments on the HELOC in the short term.

Whether you’re just starting out or an experienced investor, this is one event you won’t want to miss.Get Ready To Discover...

Is it fair to him for me not to protect his interests from being scrutinized in the event of something going south in the future? 

While it's probably premature to assess the entire situation, how do you think that these events still affect property values in downtown San Jose (where the major flooding is occurring) and ancillary areas? 

Do not listen to those who have never done what you do or are interested in.Be involved with like-minded people that are in hometown clubs and events for people that do what you want to do.  

I actually suggest you cap the allowable bill back amount to secure their interest, and then be willing to eat it in the event a pipe breaks, etc. 

They will have sales pitches but it is a great networking event.

You should also be allocating based on square footage, in the event one side is bigger than the other.

Send this case to the seller so they can read the case for themselves to understand in the event that they are refusing to close.

If they do not sign that leaves you with 30 days to decide how to proceed in event they do not sign.