If not, you might will want to determine whether the current method of operation warrants some form has legitimacy. 

You'll learn a lot more by door knocking and talking with neighbors, too.Since direct mail, phones and online marketing are all just media, they are merely less direct methods of a buyer talking one-on-one in person with a seller.

I’m aware that there are other methods of creative financing (bringing in a partner, seller financing, etc) but I’d like to avoid complicating things with a partner if possible since I am able to afford the down payment and would like to manage the property myself.

Ultimately you have to figure out your budget and then decide what particular methods you can afford to pursue at the moment.  

I feel it's important to have a clause in your lease that requires reasonable communication from the tenant, and you may even ask them what their preferred method is.

I’m looking to invest in my first long-term rental property using the BRRRR method but I am trying to find the best financing options for me.

Find Brandon's videos on YouTube for the "four square" method of analyzing homes and practice.

Or the super cool combo would be some high cash flows and some strong growth potentials (that still cash flow of course) as a diversification method.

When I talked to my bank's real estate loan officer, I found out that I need 2 years of income history in order to buy my own property, even if I wasn't using a loan.Can someone go into greater detail of this for me and what methods can I use to buy property without that income history?

With that said there are multiple methods to reach any outcome to move forward protecting yourself, your buyers, and staying compliant with local laws.