I am new to the game and using the FHA loan has just seemed to be the most common way to house hack (at least in terms of what the resources I have read have said). 

Keep the risk in check so you will not be taken out of the game. 

One tip is to start looking into meetups to connect with investors / others in the REI game (in person/online).

@Stuart UdisAll great comments, seems like putting skin in the game will be a reassuring factor for any potential investors.

If your new servicer wants to play games, file a complaint with the CFPB and dispute with the credit bureaus.

Every PM operates differently, and at the end of the day, there is tons of information you can navigate on your own in the beginning stages online, but surely there will be PM's that would be more than happy to assist you on journey. 

Sure, you can make a few quick trades, but the playground monitors (a.k.a. the law) might notice, and you’ll miss out on the bigger opportunities and loyal customers.So, while skipping the license might seem easier, it’s not the best way to win at the toy game in the long run.I have this talk with 10-15 people each month at our Free Meetups here in MA, NH, and ME.

I have invested in real estate casually in the last several years, and am looking to step up my game by learning from those willing to help, and succeeding with real estate. 

It's the basic formula for selling an online course that teaches you nothing you cannot learn on your own.

You can also use online resources such as City Data to search demographics in the area.