About 6 years ago, I wrote and sold a dumb little modification for WP-eCommerce that added additional details to admin emails. I think I charged $20 one time fe

About 6 years ago, I wrote and sold a dumb little modification for WP-eCommerce that added additional details to admin emails. I think I charged $20 one time fee. I promoted it in forums and Q&A websites that asked specifically for the feature. I think I sold 10-ish total? I was young.