Content marketing can be one of keys to your hostel's success. It helps your seo, branding and image. Creating your website is just a first step, while online marketing is an ongoing process. However, many webmasters still don't "get it", especially in the hospitality industry.
Content creation and link building should be going on all the time. But in my experience, most of the owners are lazy to write these articles themselves. For them, I would suggest looking into these site:
Here, you can hire professional writers for a low price. I would suggest al least 1 post/week.