Good content has the power to set you above the crowd as an expert. Communicating your passion through your content is your own personal key to attracting targeted traffic to your web site. You can't buy the kind of traffic that free content will attract to your site, not at any price. If money is water, then content is the pump. The good news is you don't have to come up with all of the content yourself.
Nothing attracts traffic better than a clearly communicated mission statement.
You should be able to define your mission in a sentence or less. Understanding your mission helps you stay focused. Developing content supporting your mission is the magic that attracts everything else. Everything you do should support your passion. As you develop content for your website, choose products that serve your niche.