That is some very powerful leverage with you doing some muscle to get the engine running instead of buying the deal.Yes 40-50% is a wise suggestion.

This is because you purchased your home with a primary home loan...and those usually have much better rates than investment properties.When you refinance, you will remove PMI, which should help decrease your payment some.When you refinance with a conventional "cash out" loan, the maximum you will be able to receive is 70%....so around $10,000 cash out.

Definitely not decreasing!

They are such a great way to decrease your expenses while building wealth at the same time. 

I hardly needed any other money since the 1st building, constantly leveraging off that equity, and then the equity of the 2nd, 3rd, etc... to eventually now, buying $1.5 Million buildings all cash in LLCs.I'm not saying that this will be your future, but it's a very compelling future if you visualize it well.Don't forget that if you used a fixed rate Mortgage, even if your property does not appreciation, the Mortgage balance decreases over time, and your equity builds up.That equity then seeds capital to your next deal.

But being able to decrease your living expense and cashflow your primary residence is going to do a lot more for your personal financial situation than cashflowing $200/month on an out of state rental. 

.: how much could it decrease with the revised abatement? 

With each property you analyze, knowledge increases and time decreases. 

Instead the bank will slowly lower the asking price or put it on auction sites with a slowly decreasing reserve price.  

This decreased their liability significantly because they weren't worried about people detoxing at the facility.