Basically that would be the most important thing for us to do since if we look for short cuts on some matters then we would provably miss those critical information that maybe usefull on some aspects upon doing some strategy on advertising online. And Success rate for doing an internet marketing is depend on the people who works for that job and how they act decently upon executing it.
How internet marketing is depends people who publishing it. It's upto the visibility we are getting for the concern adds. If the person advertising it on the famous and most visible to all. Then you ad would get success accordingly.
Adwords helps many people who needs visibility in online. You could check about SEO and SEM management services to know more about this strategy.