event-budget-planner

name	event-budget-planner
description	Creates event budgets with line items, contingency planning, sponsor offset calculations, and ROI projections.
allowed-tools	Read Write Glob
metadata	{"author":"matthewhitcham","version":"1.0"}

Event Budget Planner

When to Use This Skill

Use this skill when you need to:

• Create a detailed event budget with line items and cost estimates
• Plan contingency reserves and sponsor revenue offsets
• Project event ROI including ticket revenue, sponsorship, and indirect value
• Build a budget tracking template for pre-event, day-of, and post-event expenses

DO NOT use this skill for general business budgets, marketing campaign budgets, or personal event planning. This is for professional or business event financial planning.

---

Core Principle

AN EVENT BUDGET IS A DECISION-MAKING TOOL, NOT JUST A SPREADSHEET — EVERY LINE ITEM SHOULD CONNECT TO ATTENDEE EXPERIENCE OR REVENUE GENERATION, AND EVERY DOLLAR SHOULD HAVE A CONTINGENCY PLAN.

---

Phase 1: Brief

Required Inputs

Input	What to Ask	Default
Event type	"What kind of event? (conference, workshop, summit, meetup, gala)"	Conference
Expected attendance	"How many attendees?"	100-200
Duration	"How long? (half day, full day, multi-day)"	Full day
Format	"In-person, virtual, or hybrid?"	In-person
Total budget	"What is your maximum budget?"	No default — must be provided
Revenue sources	"Ticket sales, sponsorships, both, or free event?"	Tickets + sponsorships

GATE: Confirm the brief before building the budget.

---

Phase 2: Budget Framework

Expense Categories

## Budget Categories (% of total for in-person events)

| Category | % Range | Includes |
|----------|---------|----------|
| Venue | 25-35% | Rental, insurance, permits |
| Catering | 20-30% | Meals, breaks, beverages, dietary |
| AV/Technology | 10-15% | Sound, screens, streaming, wifi |
| Speakers | 5-15% | Fees, travel, hotel, gifts |
| Marketing | 5-10% | Ads, email, design, print |
| Materials | 3-5% | Signage, programs, name badges, swag |
| Staff/Volunteers | 3-5% | Coordinator, day-of staff, volunteer costs |
| Contingency | 10-15% | Unexpected expenses |

Revenue Projections

## Revenue Sources

**Ticket Sales:**
| Tier | Price | Expected Qty | Revenue |
|------|-------|-------------|---------|
| Early bird | $[X] | [Y] | $[Z] |
| Regular | $[X] | [Y] | $[Z] |
| VIP | $[X] | [Y] | $[Z] |
| **Total ticket revenue** | | | **$[X]** |

**Sponsorship:**
| Tier | Price | Available | Expected Sold | Revenue |
|------|-------|-----------|-------------|---------|
| Title | $[X] | 1 | 1 | $[X] |
| Gold | $[X] | 3 | 2 | $[X] |
| Silver | $[X] | 5 | 3 | $[X] |
| **Total sponsorship revenue** | | | | **$[X]** |

**Total projected revenue: $[X]**

GATE: Present the budget framework and revenue projections for approval.

---

Phase 3: Build

Detailed Line-Item Budget

## Expense Detail

### Venue
| Item | Estimated | Actual | Variance | Notes |
|------|----------|--------|----------|-------|
| Room rental | $[X] | | | |
| Insurance | $[X] | | | |
| Parking | $[X] | | | |
| **Subtotal** | **$[X]** | | | |

### Catering
| Item | Per Person | Qty | Estimated | Actual |
|------|-----------|-----|----------|--------|
| Breakfast | $[X] | [Y] | $[Z] | |
| Lunch | $[X] | [Y] | $[Z] | |
| PM break | $[X] | [Y] | $[Z] | |
| Beverages | $[X] | [Y] | $[Z] | |
| Dietary accommodations | Flat | | $[Z] | |
| **Subtotal** | | | **$[X]** | |

[Continue for each category...]

Break-Even Analysis

## Break-Even Calculation

**Total fixed costs:** $[X] (venue, AV, speakers — costs regardless of attendance)
**Variable cost per attendee:** $[Y] (catering, materials, badges)
**Average ticket revenue per attendee:** $[Z]
**Sponsorship revenue (fixed):** $[W]

**Break-even attendees:** (Fixed Costs - Sponsorship) / (Ticket Price - Variable Cost)
= ($[X] - $[W]) / ($[Z] - $[Y])
= [Number] attendees

Cash Flow Timeline

## When Money Moves

**6 months out:** Venue deposit (50%), speaker deposits
**3 months out:** Venue balance, AV deposit, marketing spend begins
**1 month out:** Catering final count + payment, materials printing
**Week of:** Staff payments, last-minute supplies
**Day of:** Cash for emergencies, tip fund
**Post-event:** Final invoices, speaker payments, contingency reconciliation

---

Phase 4: Polish

1. Contingency Planning

## Contingency Scenarios

**If ticket sales are 25% below target:**
- Cut: [Specific items to reduce — swag, upgraded catering, extra AV]
- Impact: Saves $[X], minimal attendee experience impact

**If a major sponsor drops out:**
- Backfill plan: [Approach next-tier prospects, offer custom packages]
- Cut: [Items funded by sponsorship]

**If attendance exceeds capacity:**
- Cap registration at [X]
- Waitlist management
- Consider adding a live stream option

2. Budget Tracking Template

## Weekly Budget Review (during planning phase)

| Category | Budgeted | Committed | Spent | Remaining | Status |
|----------|----------|-----------|-------|-----------|--------|
| Venue | $[X] | $[X] | $[X] | $[X] | On track |
| Catering | $[X] | $[X] | $[X] | $[X] | Over |
| ... | | | | | |
| Contingency | $[X] | $[X] | $[X] | $[X] | |
| **Total** | **$[X]** | **$[X]** | **$[X]** | **$[X]** | |

3. ROI Calculation

## Event ROI

**Direct revenue:** Tickets ($[X]) + Sponsorships ($[X]) = $[Total]
**Total expenses:** $[X]
**Direct profit/loss:** $[X]

**Indirect value (estimate):**
- Email list growth: [X new subscribers] × $[value per sub] = $[X]
- Client leads generated: [X leads] × [conversion rate] × [avg client value] = $[X]
- Brand exposure: [impressions] — qualitative value
- Partnerships formed: [count] — qualitative value

**Total estimated ROI:** $[X] / $[Total expenses] = [X]%

---

Example 1: 150-Person Business Conference

Budget: $30,000
Revenue: $25,000 tickets + $12,000 sponsorship = $37,000
Major costs: Venue $8,000, Catering $9,000, AV $4,000, Speakers $3,500
Contingency: $3,000 (10%)
Break-even: 85 attendees
Projected profit: $7,000

Example 2: Free Community Meetup (50 People)

Budget: $2,000
Revenue: $1,500 sponsorship + $0 tickets
Major costs: Venue $500 (co-working space), Catering $800, Materials $200
Contingency: $200 (10%)
Break-even: N/A (sponsor-funded)
ROI: Measured in leads and community growth

---

Anti-Patterns

• No contingency line — every event has surprises. Budget 10-15% for the unexpected.
• Underestimating catering — food costs rise with final counts and dietary requests. Pad by 15%.
• Ignoring hidden venue costs — insurance, AV surcharges, overtime fees, and cleanup charges add up. Ask for the full cost breakdown.
• Optimistic ticket projections — plan for 70% of your target, not 100%. Budget must work at the conservative number.
• No cash flow planning — having the money and having it at the right time are different things. Map when payments are due.
• Forgetting post-event costs — speaker final payments, thank-you gifts, recording editing, and final invoices come after the event.

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Recovery

• Budget exceeds available funds: Cut in order: swag first, then downgrade catering, then reduce AV complexity. Never cut the contingency.
• Ticket sales are slow: Increase marketing spend from contingency, add urgency (deadline pricing), or offer group discounts.
• Sponsor revenue falls short: Create a la carte sponsorship options at lower price points. Offer "community sponsor" tier at $250-500.
• User has never budgeted an event: Start with the percentage guidelines and a comparable event's costs as benchmarks. Adjust after the first event.