I went into your game and created a test page and think I understand the problem.
The ITEM RESTRICTION list displays items that have a restriction first. This makes it a lot easier when you have a lot of items, since they will show up at the top. It's confusing on your game because you have three itemsnamed "$100", and you can't tell which one is which.
What I would recommend is renaming your items: $100a, $100b, $100c. You'll be able to see the difference. When you're ready to publish, you can change them back to $100.
So far, looks like this will be a damn impressive game!