Pros of purchasing real estate in Tustin, California are:

1. Good location: Tustin is located in Orange County and is known for its central location. It's close to major freeways, the beach, Disneyland, and many other attractions.

2. Good schools: Tustin has some of the best schools in the county, with highly ranked elementary, middle and high schools.

3. Diverse housing options: Tustin offers a diverse range of housing, from apartments and condos to large, luxury homes.

4. Strong economy: Tustin's strong economy is driven by a mix of small and large businesses, including healthcare, education, and technology.

However, there are some cons of purchasing real estate in Tustin, California, including:

1. High cost of living: Tustin has a higher cost of living than the national average, especially when it comes to housing costs.

2. Traffic: Tustin is located near several major freeways, which can mean heavy traffic and congestion during peak travel times.

3. Air quality: While Tustin has generally good air quality, it can be impacted by its location near major highways.

Overall, Tustin is a great choice for those looking for a diverse range of housing options, good schools, and a strong economy, but it may not be the best fit for those looking for a lower cost of living or minimal traffic.