Again, if you learn some of the basics, you won't be so nervous about the problems you will eventually face.Start with BiggerPockets Ultimate Beginners Guide (free).

feel free to shoot me a msg.

If you have some free time I would really appreciate talking to you about the area. :)  

Selling off part of the land could free up some cash without losing the whole property.

BTW there is a free trial and the Starter monthly plan is $119.It also allows you to search through consumer information such as property owner "credit worthiness," Credit card usage, buying power, age, language, family members in the house, and many other fields that are above and beyond property characteristics, which is unique.

Feel free to DM me if interested in discussing more, would be happy to assist.

I work 11-12 hour shifts, five days a week, in a demanding role, leaving me with little free time.

My sister lives in Houston and has free time so I did briefly look into it last year and did not really love what I saw. 

I will give you 250k for your lot and so that your house back free and clear and 120k..

You can determine if the cost segregation study makes sense by speaking with your accountant and many cost segregation professionals offer a free analysis.