You make all of the BAH payments back tax free for you.2.  

The taxes are killer though, you're going to lose probably like 30% of your paycheck.

One other thing to keep in mind and consider is taxes.

That certificate would show open taxes, water, housing violations, citations, condemnations, receiverships, construction liens and other municipal liens.

Adding taxes and insurance would be an even higher payment. 

Real estate investors often find themselves working with many providers between insurance, financing, property management, tax preparation and strategies, etc.

Having the ability to live for free, while minimizing the taxes on my W2 income.

With 3 properties already, you're definitely not "new" anymore ;-) Doing a refi is very possible (depending on how much equity you've accumulated) to do those types of things...the issue can be the tax ramification that you face if/when you do it.

.- Taxes are usually much lower the first year. 

Here's the instructions:https://www.phila.gov/departments/board-of-revision-of-taxes...