Exactly. While some projects go through the roof and can absorb some extra shipping costs (if they are small), most projects don't grab that much profit. 4PM thought it critical enough to use it as a critical reason to cancel the project. 20 cents on a deck isn't much, but bricks, uncuts, extras like poker sets, et cetera, would jack the cost in a hurry. Since most KS creators aren't saavy businesspersons, many are already on thin margins. Quite a few projects were emblazoned in controversy because the had money to print, but ran out before, or during, shipping. I can think of close to a dozen like this in the past couple of years alone.