if you can garner enough interest i can help provide prizes, but you may struggle to do so when you're charging an entrance fee, no matter how small
from my experience of hosting events, people just want free stuff ^_^
also, to respond here to your profile post, you want to host en event where you'll give 10k for the highest IV caught? If it were me and I caught something particularly high, you wouldn't be getting it for 10k