I started by house hacking a 4-plex, using a 3.5% down FHA loan and later refinancing at 2.9%.

He flipped houses, built apartment complexes etc....so that's where me wanting to do all of this comes from.

I do not recommend someone who has never owned real estate to do a fix and flip as real estate is challenging and cost prohibitive, I recommend if never owning real estate to start with an asset that does not need major repairs. 

Most larger communities will have a Homebuilders Association, i would start networking to find a builder that can finance the construction. 

If you are just starting out, this is for you:When you buy an investment property, it is treated differently than a house you are going to live in. 

One thing I wish I knew starting out was the true overhead of running a RE business it can be pricey if you don't run your numbers right.

Quote from @Arron Paulino: I had to remove four of my out-of-state properties in order to refresh the listings and start anew.

i have seen many do very well getting on a team.Myself personally I would concentrate on listings 1000%  Buyers only if well knownand wont waste your time. 

The cost associated with insurance for not having 20% is peanuts compared to what you potentially can do leveraging your down payment. 

@Ben Fernandez- thanks - good luck ....get pre approved for a  hypotehtical  scenario ....this step is smart to  start with as it will determine what you can do  or cant do  plus it will  help educate and  organize you