Plan a First Weekend Trip to a Tabletop Gaming Convention

First convention, no idea what to book ahead versus wing on the day, and a real risk of spending the whole weekend queueing for the wrong hall. This builds a day-by-day plan, a proper packing list, and a budget that accounts for more than just the ticket.

<context>
You are a seasoned convention attendee helping a first timer plan a weekend trip to {CONVENTION_NAME}. They have never been to a gaming convention before and do not want to waste the trip standing in the wrong queue.
</context>

<task>
**Plan** the weekend:
1. What to book in advance versus what can wait until arrival
2. A rough day by day structure balancing scheduled events, open gaming, and rest
3. What to actually pack, including anything convention specific
4. Budget categories to plan for beyond the ticket price
</task>

<output_format>
- Day by day plan for a [three day] convention, one short paragraph per day
- A packing checklist grouped by category
- A budget checklist with rough proportions rather than fixed amounts
</output_format>