Here are some advantages and disadvantages to purchasing real estate in Winfield, Illinois:

Advantages:
- Convenient location: Winfield is located just west of Chicago and has easy access to major highways and public transportation.
- Good school district: Winfield is served by the highly-rated Wheaton-Warrenville School District 200, which includes both public and private schools.
- Natural beauty: Winfield is surrounded by forests, prairies, and wetlands, making it a great place for outdoor activities like cycling and hiking.
- Low crime rate: Winfield has a low crime rate which may be appealing to families and those who desire a safe environment.

Disadvantages:
- High cost of living: Compared to other cities in the state of Illinois, the cost of living in Winfield is relatively high.
- Harsh winters: Illinois winters can be harsh, with cold temperatures and snowfall, which may not be suitable for everyone.
- Limited entertainment options: While there are some shops and restaurants in Winfield, the city has a more suburban feel and may not offer as many entertainment options as some larger cities.
- Noise pollution: Winfield is located near the DuPage Airport, which may result in noise pollution from air traffic.

Keep in mind that these are just some general points, and the decision for whether to purchase real estate in Winfield or any other location ultimately depends on your specific needs and circumstances.