Wholesale Properties

How can real estate investors shopping for Wholesale Properties beat out the competition from slick Realtors and agents? Try, armed with their shiny corporate sites, glossy folder that promises a lot of information about marketing, that want to and that the broker always incredibly high prices still exists contains, to sabotage the efforts of these wholesale properties. So, like beat they have won more seller has more tip? What is your rebuttal or argument? As a House and apartment owners, with an agent to sell properties on the MLS?