Best way to promote webhosting business

I am starting up a website hosting business with reseller account. What the best way to promote this business online?

Here are seven ways to promote your business online that won't cost you a dime:
1. Use the three big local listing services
. Google
. Yahoo
. Bing
2. Embrace social media
3. Start a blog
4. Put up multimedia on YouTube and Flickr
5. SEO your company website
6. Press releases
7. Join a relevant online community and contribute

Increase the visibility of your website or blog on SERP. And increase the traffic on your website. Also take participate on social networking sites & communities, forums which are relevant to your niche or services.