Welcome to the area! You have chosen wisely, as the area you are considering has many very good school districts and amenities for you and your family to utilize and enjoy.
Within 10 miles of Tinley Park, you have Orland Park, Frankfort, Mokena, New Lenox and more to choose from. Your children are young, but high school looms just around the corner. The public school system's Carl Sandburg High School in Orland, Andrew High School in Tinley, and the Lincoln-Way High School District (which draws from Frankfort, Mokena, New Lenox and Manhattan), and the parochial school of Providence High School in New Lenox are all excellent educational centers for your children. Housing of all types, styles, and price are available and in good supply within all the communities mentioned. Shopping is plentiful nearby in all communities. The area will soon contain a new hospital expansion and location with the opening of Silver Cross Hospital in New Lenox, just off the I-355 & I-80 corridors.
If you are new to the area, my suggestion would be to work with a reputable mortgage professional and be qualified for your home first, before contacting a buyer's agent. Performing a pre-qualification for loan will make it clear what price, housing options, and areas you have available to you for consideration with an agent.
If I can be of service to you in that search and endeavor, please do not hesitate to contact me here at trulia.com, my website, or email (firstname.lastname@example.org). I would be happy to assist you.