Before our trip last year I saw a suggestion on these boards to purchase pins from
www.mousepinsonline.com ... so I did. I had gotten my son about 25 pins for our 9 day trip. I think I paid about $1.65 per pin. If you were to purchase pins in the park, you can pay anywhere from $5.00 to $15.00 per pin (for an individual pin).
I was not prepared for how fun pin trading was going to be!! We LOVED it! by day 3 my husband was pin trading also.. and by day 5 I was pin trading! So, with all 3 of us trading... well, we accumulated about ...well, let's say.. A LOT OF PINS!!
However, we purchased Mickey Mouse shadow boxes to display our pins for when we got home. We each framed our favorite pins. To us, this is a special display wall, with very fond memories of our trip. It's not uncommon to see one of us stopped at that wall to remember what a special trip that was! We could probably tell you at what park we got each pin!
So, my advice would be this:
1. purchase pins ahead of time (very important). I would over estimate. Pin trading is fun, and you will be surprised at all the cool pins out there! There will be pins you may wish to purchase when you are at Disney... like some of the ride pins, or special pins that you really love - that you would not trade.
2. IF you have to purchase pins while you are there to trade, buy them in sets, and go for the cheaper sets. You know you are not going to keep those pins, you need to use them to trade.
There are several reasons that I enjoyed the whole pin trading mania. As a previous posted mentioned, it's a great way for the kids to break out of their shell and ask someone if they could see their pins (and a great way to practice manners.. please and thank you). It's also challenging... in a fun way. Kind of like a treasure hunt. Every employee has pins, so everywhere you go you are always "eyeing" the pins. Be warned, some employees have green (I think) pin forms. They are only allowed to trade with children. We never approached other guests to trade (I think it's allowed).. but to me it wasn't something we choose to do. Pin trading really added SO much to our trip. I believe there are "pin trading rules" on Disney's website.
Order pins prior to going, and have fun!!! Oh, and if you in Epcot, stop in the big store to the left when you go in, they have a pin board that they get out for pin trading at certain times during the day.. only for about a half hour I think. That was a lot of fun!!!!