Create a comprehensive event budget for a [EVENT TYPE] with [NUMBER] attendees.
Total budget: [AMOUNT]
Revenue sources: [TICKETS / SPONSORSHIP / GRANTS / OTHER]
Break down into categories:
1. **Venue**: Hire, insurance, security deposit, cleaning
2. **Catering**: Food, beverage, service staff, dietary options, bar/drinks package
3. **Production**: Sound, lighting, staging, AV equipment, power/generators
4. **Entertainment**: Artists/speakers, travel, accommodation, rider requirements
5. **Marketing**: Design, print, digital ads, PR, photography/videography
6. **Staffing**: Event manager, crew, volunteers, security, first aid
7. **Logistics**: Transport, parking, signage, furniture hire, waste management
8. **Contingency**: 10-15% buffer
For each line item provide:
- Estimated cost with unit pricing
- Priority (essential / important / nice-to-have)
- Where to find competitive quotes
- Cost-saving alternatives
End with a break-even analysis.