“The only purpose of advertising is to make sales. It is profitable or unprofitable according to its actual sales.” – Claude C Hopkins
Advertising is not for general effect. It is not even to aid your other salesmen. Treat advertising as a salesman. Force it to justify itself. Compare it with other salesmen. Figure out its cost and result. Accept no excuses which good salesmen do not make. A mediocre salesman may affect a small part of your …