Explain your situation and see if there are payment plans or hardship programs available.The BiggerPockets forums have threads on tax liens and foreclosure prevention: https://www.biggerpockets.com/forums/41/topics/766025-surplus-funds-unpaid-taxes-in-foreclosure-saleAn experienced real estate attorney can advise you on your legal rights and explore potential solutions.Have you spoken with your local tax authority yet?

Either way, most banks have other programs that could help you out.

There is no additional "risk" on the note like a demand clause etc, but you have  extra expense in upfront one time costs and the pre-payment penalty that most programs are sold with if rates do drop as expected in the future.  

Always ask tenants to check to make sure it is locked.Another disadvantage is that you have to change the batteries regularly.Another disadvantage is you have to spend quite some time programming the locks and tracking the code3.

I am a software developer and I authored our current software, so interfacing to their API is not really a big issue, but I am not sure if anyone is familiar witth the process of using an API, If you arent familiar with the good ol nitty gritty programming, you arent going to get very far before pulling out all your hair.

There are different programs for 1-4 units, 5-8 units, and so on.

It is extremely hard to find programs for 0 experience simply on the 1-4 unit side of ground up construction. 

There are a lot of high character folks who get sucked into garbage Co-GP style guru programs.

The results of my students were about the same and they would create about $100,000 of increased net worth during the coaching program.

I'm considering partnering with a non-profit that would manage the sober-living program; with me just providing the house passively for rent on a per bed basis.