Should I buy my own app?

In some hours I will publish my first Paid app on the Google Play Store. I have published a free app and promoting was easy for me as many of my friends rated it for me. But as this is paid I doubt the possibility that my pals would buy it. LOL So I was thinking of buying my own app and then rating it 5 stars. But then the guidelines states that this will result to an error. So I thought why not let my friends buy it, then rate and then give them a refund? What do you guys say? This might be wrong but I have no idea otherwise to make my app popular. If you’ve got a better idea then please share. Thanks everyone!

Ok here is what you need to get started promoting your app Basic How to Market your Andriod Apps Part 1