How to Drive Traffic to a Racing Tips Site?

I have been betting on horses for quite a few years now and have been offering a tip service for eight months now (shown a profit in seven of those eight months), recently I decided to create a website to increase my business.
I have set up a website that offers both a free tip service and a premium tip service.
I have set up a Twitter account, Google+ account and a Facebook fan page.
I'm interested in ways of gaining traffic to the site. I don't know if blog commenting is going to work with…
How to Drive Traffic to a Racing Tips Site?

See original post by Dean_Saliba