In this reddit thread we read:
Our first 2 flips we found on an online auction site. I got my Realtors’ license shortly afterwards and was able to scour through the MLS (Multiple Listing Service) for deals. We also started attending several local real estate investor associations (REIA) meetings. These meetings were a veritable wealth of real estate deals.
My uncle is a full time real estate investor. He forms a relationship with a realtor and they send him deals…
So it’s not so hard after all. You just have to get used to the possibility of having your stomach turned at a butt-ugly property!!!