Avoid Common Advertising Mistakes Paying too much for advertising or marketing that looks good but flops? Here’s tested tips from the trenches to help you avoid these expensive advertising mistakes. Everyone’s An Expert  “…most national advertising is done without justification. It is merely presumed to pay. A little test might show a way to multiply returns.” Advertising Campaigns: “Almost any advertising question can be answered cheaply, quickly and finally by a test campaign. And that’s the way to answer them — not by arguments around a table.” Things Too Costly: “Many things are possible in advertising which are too costly […]