I would say that if they pursue a legal option it will cost them no less than $5-10K. Thus your minimum price should be about $15K. If they cut you off, figure

I would say that if they pursue a legal option it will cost them no less than $5-10K. Thus your minimum price should be about $15K. If they cut you off, figure out what competitor they might not want traffic to go to and set a landing page to point to them. I would suggest you talk to an actual lawyer and see if you can get them on strong-arm tactics or anti-competitive practices.