If there is knowlege of what their trade area demographics are you could theoretically use that to hone in on specific markets where there is no MCD's currently, but that would mean overlaying the current competition map as well to find those holes in their overall location strategy.  

For example, if you are looking to connect with other members near you, want to learn from people in a specific area you’d like to invest in, or have a desire to find people interested in certain topics, you could use the search feature here: https://www.biggerpockets.com/search/users

Since you want it to be as easy/quick as possible, I'll give you three things you need to learn...as a starting point:1 - How to Analyze Markets to find the Micro-markets that are good to invest in.2 - How Money Works, so you can develop an unlimited number of strategies which will allow you to be able to take advantage of as many opportunities as possible.3 - How to design your own REI Plan by reverse engineering from your specific set of financial goals back to where you are now...then execute it by turning around and just following the breadcrumbs.4 - (OK, I said it wasn't as easy as "just one thing")...Learn what the meaning of the number sequence "1073751824" means, and how to base EVERY decision you make on the meaning of that number sequence.5 - Learn why it's so important to follow the 2 Golden Rules of REI, of which GR#1 is:  NEVER, under ANY circumstances, ever, EVER, spend your seed money (your starting cash). 

Specifically other wholesalers in the area.

The split is very firm specific.

Seek Legal Advice Reach out to a lawyer who can guide you through the specific laws in your area.

I'd love to go over specific properties with you to see if it's feasible.  

It comes down to setting expectations; did any of the applicants provide specific, detailed reasoning for backing out? 

Knowing what's "not a good deal" or finding out what they do NOT like, is just as important as finding a "good deal" and having a specific buy box. 

Get some business credits, perhaps amex specifically.