We're excited to announce that we've fully migrated the Xbox Forums to their new home, here on the Microsoft Community forums!
As of today, going to forums.xbox.com will redirect you here to the Xbox area of the Community forums. We've moved all of your existing threads over so you can continue and start conversations with the new forums experience.
We sincerely appreciate the feedback you have provided over this transition and can't wait for you to check out the new Xbox Forums!
Buy low, sell high. Personally, I found that buying loads of Bronze packs, then selling for 150c worked well. Even if you discard, you still make only a small loss on each pack, and if you find shiny, it will pretty much definitely go for 150.