There are several potential pros and cons to consider when purchasing real estate in Hillsdale, New Jersey. Here are a few:

Pros:
- Location: Hillsdale is located in Bergen County, which is a desirable area of Northern New Jersey. It is about 20 miles from New York City, making it a feasible option for people who work in the city but want to live in a more suburban area.
- Schools: Hillsdale is known for having good public schools, which can be a big selling point for families.
- Safety: According to various statistics, Hillsdale is a relatively safe place to live and has a lower crime rate compared to other nearby areas.
- Amenities: Hillsdale has a small downtown area with shops and restaurants, as well as several parks and open spaces.

Cons:
- Cost: Like much of Bergen County, Hillsdale can be an expensive place to live. Housing prices are higher than the state average and property taxes can be high as well.
- Commute: While Hillsdale is close to New York City, commuting to the city can still be challenging. Most people rely on driving to a nearby train station or taking a bus, which can be time-consuming and costly.
- Development: There has been some debate in Hillsdale over whether to allow more development in the town. Depending on what ultimately happens, this could impact the character of the town and property values.

It's important to note that these are just some general pros and cons, and whether or not they apply to your specific situation will depend on a variety of factors, such as your budget, family situation, and personal preferences.