Read up on your Adam Smith. (Or don't, really.) It's called capitalism! Supply and demand! Last stack I priced at a whopping $85 took about 10 minutes to sell. So, $90 here we come.
One thing I do notice, if I put it up on the blog before listing it in the shop, you crazy ladies get yourselves all worked up and are chomping at the bit. By the time it's in the shop it has a ... 38.6% higher chance of selling right away. (Percentages makes it sound legit.)
But to give you a taste, and get you chomping at the bit like the pack of horses I apparently think you are, here's some eye candy.
It's a gray gray day, so the Sparrow Glow™ might be crapping out on me. But the crazy bright colors make up for it....