While you want to build good content and get amazing links, it can be frustrating and it can take quite some time to even have a strategy in place. Working with an SEO outsourcing company can help in 2 ways here :
1. Minimize expenses – they can help you save a lot in the months and years sometimes of SEO.
2. Already have a methodical approach – these companies are up to date with Algorithmic changes and already have had years of experience in ranking websites just like yours.
Since backlinking is one of those jobs that takes time and needs a lot of know-how, I honestly recommending outsourcing backlinks to get faster ROI and a successful and dynamic SEO.