Seller went behind my back and sold the property.

[Account Closed]

Hello everyone. 

Let me start by excusing myself if I make and grammatical errors, but I am typing fast because I am a little POA.

Okay, so today I was supposed to close on my first wholesale deal. Got the property under contract with my seller and got my buyer to sign his assignable contract. Title company called me a hour before closing to schedule a time for me to pick up my check, everything good (or so I thought). An 1 hour later, I get a call again from the Title company pretty much warning me of what was taking place in the closing room. The seller and end buyer went behind my back and closed on the deal with paying me. I get an email from the buyer and a text from the seller telling me what they did. The sellers reasoning was because "she thought I was purchasing the property myself " and I "misrepresented " her. I told her, she signed a contract that states, I can assign it to another buyer and that she was still getting the price she agreed upon when she signed the contract. I think her real reason is she saw how much I was making off the deal (which was just $4000) and wanted more. My question to you guys is should I pursue legal matters or just move on to the next deal?