To utilize social posting the best, you must publish at least once a day to all of the platforms that you are active on. On some networks, it may be even more beneficial to post even more frequently.

You are currently spinning a lot of plates running your business or service.  Dedicating yourself to a social posting regimen is only one more thing to do, even though it is a very important service.

Let us do the work for you.  

Aside from the labor to make the posts, it is free advertizing.  Compared to other marketing services such as SEO and Google/Facebook ads, social posting is very inexpensive.

Social posting is not internet rocket science, unlike SEO and ads mentioned above where you have to be practically an expert yourself to do.

Social posting creates buzz and engagement.  Engagement is one of the most important signals that Google uses in determining site rankings on results pages.