Information comes from this thread.
For more information on how the Showcase (a form of paid advertising on Etsy) works, please see this Etsy blog post. Also, please note, the rules may change, so please keep an eye on the Etsy blog for specifics about the April 13th sale.
Something to consider when purchasing Showcase dates is this undocumented bug. Please read the entire thread to understand the implications for purchasing spots on certain dates.
