My most unlucky purchase just happened a few days ago, but didn't become truly unlucky until today. Because I am completely new to Steam (and PC gaming in general), I bought the Complete Civilization IV Pack for $30 last week, and had zero clue that Steam did a summer sale. No idea whatsoever. So imagine my sadness when I found out the news, checked Civ IV's new price, and wept: a full $15 could've been saved. But alas, the damage had been done.
So what was your most unlucky purchase?
So what was your most unlucky purchase?