Old Brookville is a beautiful village with a great location close to New York City. Here are some pros and cons to consider when purchasing real estate in Old Brookville:

Pros:
- Old Brookville is an affluent community with many beautiful homes and estates, which can be a great investment opportunity
- The village is known for its excellent schools, such as North Shore schools, which can be attractive to families looking to move into the area
- Old Brookville is located near the Long Island Rail Road, which provides an easy commute to New York City
- The area is surrounded by many parks and green spaces, which provides a sense of natural beauty and privacy
- There are many cultural attractions nearby, including museums, theaters, and restaurants.

Cons:
- Old Brookville is an affluent community, so the cost of living can be high
- The property taxes in the village are also relatively high, which can add significantly to the cost of homeownership
- The housing market in Old Brookville can be competitive with high demand, so finding the right home may take some time
- The winter weather in New York can be harsh, which can be a concern for those who are not used to it.

Overall, purchasing real estate in Old Brookville can be a great investment opportunity, but it is important to carefully weigh the pros and cons and to work with a trusted real estate agent to find the best property for your needs and budget.