Wherever you took your broker's class you should have ample study materials.If you are talking about your real estate agent's license in NJ (that is not a broker's license), you need to take the initial class at an accredited agency and they will give you all of the materials after you finish the 75 hours for the test. 

Figure out the cost to sell, usually 5% to the real estate agent, sometimes a "concession" fee, and other closing costs.

Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?

I've read many of the BiggerPockets books like - House Hacking- Flipping- Estimating Rehabs- Multifamily Millionaire Book I and II- How to Invest in Real Estate with Low or No Money Down- Investing from a Distanceand even some outside of themand have been wanting to do something in Real Estate for awhile.

Don’t forget to network and educate yourself through podcasts and local real estate groups.

I took the course last October... got swamped in my currently real estate business... went through a 90 day "challenge" course with RAL academy....

Welcome to the world of real estate investing!

As we’re beginning to get a grasp on the scale of the challenges ahead we wanted to highlight a few areas of note and concern that is already influencing the local and national real estate market.

I am a recent college graduate who worked in finance immediately after college, but knew that real estate was the path I wanted to eventually go down.

Probably better to post in the Buying & Selling Real Estate Forum.Without details, hard to answer the question.