Real estate is a very competitive business. Once you meet some good developers and make some connections your success can skyrocket.
This guy made a killing in a relatively short amount of time
Homes for Sale By Owner Vancouver | One Flat Fee MLS Listings ServiceOne Flat Fee (iirc 2010 he first started). My business plan (if I cared to do real estate) would be to set up a very similar website with a very similar business motto but start throwing groupons out there to get myself into everyone's inbox. Yes I would probably rely on undercutting but he ripped off the idea from American websites.