Since throwing this blog together the other day it's now had quite a bit of time spent on it, and people seem to like it. So I decided to rip out all the additional stuff and strip it back to just the main blog section, then zip it up and offer it as a free download.
Rapidcart Pro doesn't not have an in-build way to add stacks to the product listings. If you want to add a button, say to link to something or open a reveal, you have use a code snippet. Here is such a snippet to launch a Foundation Reveal.