Here are some potential pros and cons of purchasing real estate in Sundown, Texas:

Pros:
- Sundown is a small, rural community, which may appeal to those who like a slower pace of life and a tight-knit community feel.
- Sundown is located within Texas' oil country, which may offer job opportunities and economic stability.
- Sundown may offer more affordable real estate options compared to larger nearby cities.

Cons:
- Sundown is located in a very hot and dry climate, which may not be appealing to everyone.
- As a rural community, Sundown may have limited amenities and services compared to larger nearby cities.
- The oil industry can be volatile, and Sundown's economy and job market may be impacted by fluctuations in the industry.

Ultimately, whether or not purchasing real estate in Sundown, Texas is a good decision depends on an individual's specific needs and preferences. It is recommended to conduct thorough research into the local housing market and economy, as well as visit the area in person, before making any real estate decisions.