But from reading blogs and boards about past SBA disaster programs, the SBA does not seem to interfere as long as you repay the loan as per it's terms.After several days of research and contemplation, I decided to sign the documents and execute the loan.

The backing for the bond is generally the ability of the company to repay, which depends on its prospects for future revenues and profitability.

It say 3.75% interest , repayment started after month 12.

We inflated our monthly expenses $275 to get a pile of cash that we can arbitrage $1400+/mth in cashflow (also, we remained 60% leveraged in your primary and have a path to not extend our repayment timeline). 

It’s a unique situation since the home itself is owned by the brother, and the land by the sister.  

But even those provisions have some exceptions that are unique to every situation.

What unique challenges can one expect to face flipping single family homes in Baltimore?

I can't imagine trying to invest in another country with a 15-hour time difference.Each investor is unique, and maybe it's right for you, but it seems like there's a lot more opportunities for things to go wrong without you being there to address.

@Shah Popal investing out of state has some unique challenges but they can be easily overcome and the rewards are well worth it for a Californian.

Their terms for HELOCs on Non-Owner Occupied Homes are listed online, but terms for me were 80% LTV, 10yr interest only draw period, 20yr repayment.