In the shop, if I set the sell amounts to as high as possible, then decide to upgrade my equipment instead, I can go back to the shop and sell as many of my resources as I had before I used them to upgrade. Which, naturally, leaves me with negative resources.
I'm an animate croissant, the hills have eyes and I've been encircled by a bunch of floaty, crowned things. Don't get me wrong... the artwork is great; I just wish there was a story to this. Am I on the run from debt-collectors after taking out a loan for the recharging rocket?
Once I understood the game mechanics, this game became great! I'm glad they were left for me to work out instead of spoonfed to me. It's a shame that the link to "MORE fUN GaMeS" gets in the way sometimes, though.