I recently bought a 100-year-old rowhome in Philadelphia as part of an estate sale.

You mention you have no experience in these types of parks and your first deal you want to take down 100.When I was working for a GC we did a condo project for a developer who never developed a building before and he sold his company (it company) and used the entire amount to develop real estate.He ended going bankrupt because his inexperience with his experience and his designers and every mistake they made was multiplied by 150 since that is how many units there were.

That's where you build real wealth.

No right or wrong answer, just glad to hear you're open minded to real estate investing. 

If you're looking to invest in duplexes under $250k, you may connect with local agents to get help from them.

I’m just seeking for some input from the community and this is my only rental even though I do dream of becoming a real estate investor by acquiring rentals. 

My partners and I have been running a real estate meetup for the past two years, and you are more than welcome to attend.

I've dabbled in real estate for the last 15 years and have made it work for me however, I haven't made it my full-time gig yet.

Work with a knowledgeable independent agent.

I'm looking to break into the real estate market in an attempt to achieve financial freedom, like everyone else.