There's no need for medieval or fantasy warfare if you're willing to compromise on things you don't care that much about. So tell people why you don't like an idea at the start of negotiations.
Negotiations: It doesn’t have to be all Game of Thrones
The cost of sponsorship
Sometimes you need help getting the funds together to get your geek event or wedding just right. Sponsors can be the answer, but there are always conditions to sponsorships. What does it cost to have sponsors?
Skipping Convention 