Google AdWords
Google AdWords is great. It's not free but it is very easy to spend as much or as little as you like. Great manuals have been written on Google AdWords, and I do recommend further study on the subject.
But setting up the basics is so quick that it would be a crime not to add AdWords to our suite of marketing tools right away. The next chapter will talk about refining your AdWords campaign. This lightning tutorial will help you set up a campaign, limit your costs to a level you are happy with, and perhaps get your first order.
Setting up a campaign
Head on over to your country's Google and click on Advertising Programs and then Google AdWords and sign up for an account.