In Philadelphia the fundamentals are strong: leading industries/employers are in the Education and Medical fields which are known to be stable, proximity to NYC and DC, national airport, port city, affordability compared to mid-atlantic predecessors.

The intent of getting a sales agent license is to educate myself in Real Estate and create some additional income.If your relationship is such that you need to hide your license, you’d be better off with a different working relationship.  

It seems like you've taken a lot of the steps to educate yourself and you're ready to take action.

It's great that you're focused on saving and educating yourself before diving into real estate.

Doing it yourself will work, but it takes education, time, and effort to achieve success.

The gentleman Chris Koerner seemed well educated on the topic (mobile home park investing) and he gave enough information and follow-up documents that you could take the information and run.

Build a strong team with experienced lenders, real estate agents, and property managers, and educate yourself through books and podcasts.

EDUCATE YOURSELF - yes, it will take time, but will lead to a selection that better meets your expectations & avoids potentially costly surprises!

Don't get stuck in education / analysis paralysis.

This is the most unique real estate investor club, education, networking and mastermind event in the US!