Do I have a case regarding a verbal agreement?

Question Details: I was contracting as a full-time project manager with a man who was a leader in a national organization and owned his own business. Via email we agreed that I'd go full-time and that I'd only do work for his business. He'd pay me 3K per month from February-April. He called me at the end of March and stated that he'd like me to do work for him for both of his roles, that he would increase my base pay to 4K per month, that he was extending my term until the end of June, and that he was going to pay me $700 for work done for a training conference through the national organization, plus a few smaller payments. From April through June he stated he'd pay me a total of 14K. I typed this information in a document on my phone with the intention of sending it to him via email later but failed to do so. We were scheduled to hold his company's first 3-day conference starting April 29. As I was leaving to get on the road, he texted me saying the pre-conference kick-off musical event had been cancelled due to a deadly shooting. A victim literally was found dead on the property where we were to be that night and for the week, plus there were reports that there were other gunmen who had yet to be found. I have the text messages telling him I did not feel comfortable coming, him saying simply tell him what I'd like to do as long as all of the work he needed was provided to him, me telling him I'd decided not to participate in the conference at the actual shooting venue but that I'd submitted all of the work to him already and that I'd be willing to come to the hotel to do whatever I could do to assist from there. He told me don't bother to come. I cancelled my hotel reservation and sent a summary via email of all of the work that I'd done for the conference while also asking if there was anything else I could do from my location, the following morning. I then continued doing work for him, for his business and the national organization for a week - proof within the emails. He and his team stopped all communication with me the night of the shooting. He did not pay me for the months of May through June. I took him to court in my county/state. He sent an attorney stating "lack of personal jurisdiction" that my state did not have jurisdiction over my case which made no sense to me since we are both small businesses that work from home, my business and my residence are licensed in my state, all of the work I did for him was done in my home, we had meetings in my state, and all of the work we did was not exclusively for events in his county/state. The judge dismissed the case stating I'd need to sue in his state. Do I have a case? I'm able to show the draft and the original date it was created regarding the verbal agreement emails, phone call logs, and a bank statement showing that he did not adhere to the original emailed agreement my doing work for both organizations, him paying me differently. If yes to the above, what's the likelihood that an attorney would take this case and earn their pay once the case has been won? At this point, I'd increase what I was suing him for if allowed as he purposely caused financial hardship for me.

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