This type of advertising is very effective for the right product and market. Obviously you are capturing a huge number of consumers with tv medium. The key things are cost and coverage.
In many cases, it is not as expensive as you may think.
If you are a local company, such as a restaurant, and you want to set your self apart from other restaurants in the area, a well-done tv ad that is 30 or 60 seconds long may be your most effective form of promotion.
Costs are based on complexity of producing the ad, time slots for airing and number of airings. Keep in mind that this type of advertising requires repetition.
Create a quality ad that reflects your brand, air it at times consistent with your target audience viewing and show it repeatedly so they can’t forget it.
Your first step is to find a professional marketing company that specializes in tv advertising. They have the expertise and experience, as well as the contacts to ensure you spend your tv ad dollars wisely.