Another tip, Buy it when you see it. Write down the space and pick it up later or drop it in a friends booth. The less you carry the better. If you wait it will be gone.

One year I scouted out five things I wanted all pricey. On the round headed back to the car at the end of the day, all items had been bought. Some were right at the top of the market so I figured they would still be there. I was wrong. I did find some other things along the way.