Sales promotion is usually cheaper than advertising
and easier to measure. A major national television advertising
campaign often costs $5 million or more to create,
produce, and place. In contrast, promotional campaigns
using the Internet or direct marketing methods can cost
less than half that amount. It is also very difficult to determine
how many people buy a product or service as a result
of radio or television ads. With sales promotion, marketers
know the precise number of coupons redeemed or the
number of contest entries.