I agree with the others, this is NOT an approach I would recommend. I have been doing link building and SEO for 10+ years. Trust me you might see some short term benefits, but this approach is not a long term strategy.
Since you said "I know it's hard work" - you seem to be willing to put in the effort to do it right. I would recommend creating 2 or 3 really valuable pieces of content for your website. Then promote that content through bloggers, forums, press releases and all sorts of social media. You might be surprised at the quantity and quality links this may attract. It takes an act of faith, but if the content is good, the links will come.
Then create a couple anchor text links from your content to the appropriate pages on your website.
Give it a try. You might just get hooked on building link attraction to your website.
