Anyone successful in doing it out here?

You are nowhere near "income-statement wealthy" enough to rent a large house with lots of room and not have it significantly affect your current and future ability to successfully convert your income into more wealth.Get a cheaper place to rent.

What’s more, I have a credit score of 750+ and without the fear of being rejected anymore, the only obstacle left for achieving my goal in getting started in real estate would be myself. 

It’s a good start towards successful deals.

I was hired by two investors to start and run and grow their property management company, it's a complex process, but I'd be happy to share with you my strategies for growth and success, feel free to DM me.

I’ve been successfully house hacking for the past year, renting out my three spare bedrooms and occupying the fourth, allowing me to live for free since the rent covers my mortgage and utilities.

It’s a good start towards successful deals.

To answer your question: you should consult with an incorporation attorney to determine if single vs multiple LLCs are right for you as far as mitigating risk or other issues.Congratulations and I wish you nothing but success, Spencer.

Good luck, I wish you success.

It is a great start to have goals, the next step is listing out concrete steps with deadlines that will help you achieve those goals.