If you choose a strategy such as this, make sure you don’t pay off low interest mortgage and then carry a higher interest HELOC balance.

All your question is answered in basic calculator.Your question is what's difference between 3 +5 and 2+7 ; they're all good product if used intelligently can be very profitable.Fact is , 30Y above 6% rate would not have significant difference in term of balance payment compare to 10Y I/O if you sell the house in year 5.Please do note that 10Y IO and 10Y ARM is vastly different.

It's a nice balance of cash flow and appreciation.

@Elvis Occ Markets are efficient and they’ll find a way to balance for most buyers and sellers.

I'm looking for a low min balance, possibly to have bill pay or can I get checks, I don't mind mobile depositing. 

But I find the C+/B units have the best balance of income and affordability.  

In either case, I'd be looking at markets with a growing population (demand), a shortage of inventory (supply), and a market that has a net positive importing of jobs with wage growth.As the Fed's a poised to make some moves with interest rates later this year, the question still remains to be seen what they will do with their QE/QT policy on their balance sheet as that will affect long term 1-4 unit rates. 

Penalties, outstanding mortgage balances, liens, judgements, etc... paid in full.

MAYBE you could find a balance sheet lender who doesn't sell the notes that would do it.

When house hacking it’s definitely a challenge to find the right balance between investing and lifestyle.