The Big Summer Myth: Why Market? Everyone Is On Vacation! I can't tell you how many companies I have worked with, have held up on marketing initiatives because of this belief. While many do take a week or two off and take a vacation in Summer, hardly anyone I know can afford to take the whole Summer off. But many still think Summer is a bad time to advertise. I personally think this is what Sandler Sales calls "head trash." Here are a few things to consider. Your customer