There are two types of tickets for attendees--early bird and general admission. Early bird tickets can be purchased after dealer setup on Friday for $20 per person. General admission applies to any ticket sale on Saturday or Sunday. General admission tickets are $10 per person.
If this is your first time attending an antique show, here are some things you should think about bringing: cash, sunglasses, sunscreen, a backpack, a wagon or cart, a bottle of water, comfortable shoes, and hand sanitizer.
You will enter the main gate--Gate 1. There will be parking attendants to collect your ticket payment or scan pre-purchased tickets. They will instruct you where to park.
If you're staying in Carlisle, PA--I would highly suggest researching your accommodations before booking a stay. (Some charge by the hour--hint, hint.) If you can't find accommodations in Carlisle, Mechanicsburg has nice restaurants and hotels.
There are a lot of great restaurants in Carlisle. A few great sit down restaurants are--Fiddlers Bar and Grill ($$), 1794 Whiskey Rebellion ($$$), and Marketcross Pub ($$). You may want to call and make reservations. For pizza, Napoli. For Chinese, Asian Cafe--take out/delivery only.
There are some great antique destinations in Carlisle, PA and the surrounding area. The top recommendation is Bedford Street Antiques for variety and pricing. Antique Marketplace of Lemoyne is about thirty minutes away and could take a whole day to explore. If you're ready for a roadtrip, I would suggest driving to Adamstown, PA.