Advice on beginning my REI career

[Andrew Espinosa]

I currently own a townhome in Aurora, CO with around 70k of equity in it. My mortgage is $1300/month with a HOA that is $277/month. I am torn on what my next move should be. I have been house hacking since I purchased the townhome, and only recently started to save money for my REI goal which is obtaining cash flowing properties. Some of the ideas I have been playing with are:

1. Getting a HELOC and using that money to get an investment property. Ideally I would like to invest in MFRs, but am open to SFRs.

2. Renting out my current townhome, and purchasing another home as my primary.

3. Selling my current townhome and using the money to buy another home as well as a rental. Maybe house hack with a duplex/triplex/etc.. 

4. Waiting and saving enough money to purchase another property. That would take roughly two years or so to get around 30k saved for reference. 

I realize that there are many different routes I can go, and ultimately would like to here from the community to get more ideas. I am not opposed to OOS investing either.