Helping Others is the best way to market your product. Make your Knowledge-base website, Blog, YouTube Channel a place for helpful contents. Now a days people like instant solution to their problem and in a most attractive way that is Video Tuts. If your Website and YouTube channel doesn't have tutorials on Control Panels, Billing software, website builder, it is very unlikely that you will attract new prospects.
You may be knowledgeable and experienced hosting provider but no body cares. You must not think in silos and use most preferred digital content to grab visitors from YouTube, Facebook, Google search. How - to videos help the viewers and advertise the brand of content owner. Advertise while helping the viewers.