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?

Use your skills to network with local investors and professionals by attending meetups in the Conroe and Houston area, joining online forums, and connecting with property managers or realtors.

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.

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

Do you use a “book” for information or an online service ?

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

Only 10% of people will finish a course they buy online, so #BeDifferent and finish -> you'll be in the top 10%.I almost didn't finish my Jim Qwik speeding reading course, but I returned and got it done...

You can also check their reviews online at Google, Facebook, or Yelp.

They will have additional costs for mailing & online campaigns to get leads.