Here are some potential advantages and disadvantages of purchasing real estate in the city of Effingham, Illinois:

Advantages:
- Affordable housing: Effingham real estate is relatively affordable compared to other areas in the region, making it an attractive location for potential buyers.
- Good location: Effingham is located right along I-57, which makes it an excellent location for those who need to commute to other areas for work or leisure.
- Low cost of living: Compared to other parts of the state and country, the cost of living in Effingham is relatively low, which is great for those who are looking to stretch their budgets further.

Disadvantages:
- Limited job opportunities: While Effingham is located near interstates and highways, which provides easy access to other areas, there may be limited job opportunities within the city itself.
- Weather: Effingham is located in an area of the country that can experience extreme weather conditions, including severe storms, tornadoes, and even blizzards in the winter months.
- Rural location: Effingham is a relatively small city in a mostly rural area, which means that it may not be best suited for those who are looking for a more bustling city atmosphere.

Of course, there are many factors to consider before making a real estate purchase, and the above are simply potential advantages and disadvantages of purchasing property in Effingham. It's important to do your due diligence on the local real estate market, economy, and other factors before making a decision.