Talk:Wonder Challenge/@comment-5199526-20120627130559

Quick tip for those working on the Wonder Challenge. Take a look ahead and start building the items/stores needed. Also if you don't want to spend crystals on storage start building a whole bunch of the high end coin ones, enough to hold the most you'll need.

Then you can put all these things in storage. You only need lots of storage for the few minutes it takes to do the purchases and then you can put them back in storage for the next challenge. I just put away a whole wack of stores/resource farms to make space for those few minutes and then put them back right after the purchase.