Google Adwords VS SEO
Whilst you might be thinking about SEO Search Engine Optimisation that offers a FREE organic route to market for your website, this can take a long time before you see your pages earn their trust with Google in order to achieve good rankings.
Therefore it is important that website advertising using Google Adwords is seen as an essential additional tool to help with your website marketing during the first 6 to 12 months of your website's existance.
SEO will grow your pages trust with search engines and improve the websites value to the target market audience you are hoping will find you. But, if its important to get your tills ringing and your order book filled in the first few weeks of launching your website, then to be successful online, Google Adwords will play its role.