Amazon gets nearly 10% in some areas, I worked with startups where we got the Conversion rates from 1% to 5% this was mostly adwords and landing page optimizita

Amazon gets nearly 10% in some areas, I worked with startups where we got the Conversion rates from 1% to 5% this was mostly adwords and landing page optimizitaion. At the end conversion rates define your cost per user and how much you have to make with each user. So don't stop worrying.