Hiring a guest posting service is the most effective way of getting backlinks, but besides the obvious purpose of being seen, there are many pros and benefits that must be considered. Firstly, you get expertise. Most of these services are well-aware of the changing trends, and they will charge only when they get a certain number of decided posts published.
Another big advantage is exposure. By featuring on the right websites, you actually gain enough exposure on varied platforms, because the contents are created to be social media worthy and inspiring. Also, this is much cheaper than PPC and is incredible for boosting SEO.