If you are into online gambling, I would suggest that you think outside the box.
You see, using PBNs and Web 2.0 websites simply are not going to cut it.
There are just so many other online casino webmasters and sportsbook-affiliates out there using the same techniques.
If I were you, I would get a competitive advantage by coming up with attention-grabbing content and putting it in my blog.
Maybe you could talk about gambling addiction or very shocking legal developments regarding your niche.
Whatever the case may be, look for shock value.
The next step is to link to places Forbes.com as reference materials.
There are people who already published material on Forbes.
You can also apply to Forbes to publish out-of-the-box content that links to your website.
There are many ways to skin this cat.
Don't just think that just because tons of people are using one particular method that you're stuck with that.