How you build your plan is dependent on numerous factors - the size and structure of your company, your comfort level with content creation, and the degree to which you are invested in content marketing as a practice.
There's no doubt blog posts are getting longer. But let's not forget economy of expression. What takes 1500 words to say at first pass can generally be condensed to 1000 words without over-diluting the content.
Marketers must understand the overwhelming upsides of developing trust over the long-term. The brands, the companies, and the people we most trust are the very individuals and organizations that we turn to when we have a need.
Businesses that have open and robust conversations at the executive level around the cost of content and the role marketing content plays within the enterprise will create a stronger foundation for future success.
There's a lot that goes into creating your content schedule, but don't make things more difficult than they need be. Remember the three R's - Refresh, Repurpose, Review - and you will stay in good shape.