I’m young 19 years of age working at a minimum wage job unable to really save any capital for a down payment.

In our day and age, this can be done in person (which is still a much better option) and virtually.

Is there anything i can do before I turn 18 to help my chances of a bank loaning me money? I want to start investing in real estate as early as possible. I know I have to be above 18 to get a loan, good credit, stabil...

I don't know how in this day and age, someone showing properties won't put it on FB/Zillow (Zillow then propagates to Trulia and another site), Apartments.com, etc.

It's great you are starting real estate investing at such a young age.

Also, depending on the age, layout, etc., of the property it may be better to establish a RUBS system or implement a flat fee. 

I have placed the home age into my consideration.

The website talks about younger family’s and I know someone who lives in the community so there isn’t an age restriction.

Some have been on the market a long time simply because homeowners are aging and want to scale down to something more manageable.

Here is what you will need to run numbers:Price, Rental Comps (be conservative), age of properties, average vacancy (look at the rental comps and see how long their average DOM is, add more time for turnover), property management expenses, age of components of house (used to calculate cap-ex), any HOA fees, taxes/insurance/financing costs.If you can get estimates on these you can run them in the BP rental property calculator tool which will tell you everything you need to know.