IMPORTANT THINGS ABOUT INVALID CLICKS AND HOW IT WILL EFFECT YOU
An Invalid click can get your account banned form Google Adsense so it is important to prevent invalid clicks. An invalid click is when a Adsense publisher click on their own ad to icrease their own earnings. It is also when a publisher asks others to click on their ads. This is also an invalid click. Google spend million per year to prevent invalid clicks and they have the newest technologies to prevent this. There are people who are using automatic software to click on ads. This is also seen as invalid clicks. If you want to make money online with Adsense then you got to focus on getting valid clicks, because getting invalid clicks can harm your account.
HAVING CONTROL OF YOUR ADSENSE ACCOUNT.
You are the publisher you can decide what kind of AdSense ads you like to run on your site. If you like to display image ads or text ads or you can choose to display a combination of that. You can set channels to find out what site brings you the most revenue. You can choose to display image ads on one site and text ad on the other you can find out what site the highest click through rate is.