| Expense | Why Couples Miss It | Planner's Role |
| Taxes | Not included in headline quote | Clarifies final payable amount |
| Service charges | Added later | Checks contract |
| Outside vendor fee | Venue restrictions | Confirms before booking |
| Extra venue usage | Additional hours/setup | Negotiates requirements |
| Transport Requirement | What It Includes |
| Airport/Railway Pickup | Vehicle + driver |
| Hotel → Venue | Shuttle/vehicle |
| Multiple Venues | Additional transfers |
| Late-Night Return | Extra vehicles/hours |
| Special Guest Transport | Dedicated vehicle |
| # | Often-Missed Expense | Why It Matters | Planner Helps By |
| 1 | Taxes & Additional Fees | The quoted price isn't always the final bill | Reviewing contracts |
| 2 | Vendor Travel & Stay | Especially important for destination weddings | Coordinating logistics |
| 3 | Guest Transportation | Multiple transfers can quickly add up | Consolidating movement |
| 4 | Production & Power | Often charged separately from décor | Coordinating vendors |
| 5 | Overtime | Delays can lead to additional charges | Managing the schedule |
| 6 | Last-Minute Purchases | Small unexpected costs can accumulate | Tracking expenses |
| 7 | Contingency | Covers unexpected expenses | Protecting the budget buffer |
| Problem | How a Planner Helps |
| Hidden venue charges | Reviews inclusions and exclusions |
| Vendor travel | Negotiates and coordinates logistics |
| Guest transfers | Plans consolidated transportation |
| Production costs | Coordinates technical requirements |
| Overtime | Keeps vendors on schedule |
| Small purchases | Tracks on-ground expenses |
| Unexpected costs | Protects the contingency |