The answer to this issue lies in making a thorough research of the market you operate in. Knowing all the variables of your market will enable you to answer questions such:
Who is your market?
You have to build a complete profile of your prospect. It’s not necesarily coming up with percentages for each segment. but before addressing a market you have to know what is that they’re interested in:
just buying your products;
getting involved in the business opportunity you offer;
both
Another set of data extracted with your research must address their needs, fears and desires. A wise thing to do is employing these three aspects into distinct categories in your future blog in a way that would enable your prospects to find quick (preliminary) answers to their problems.
You want your future blog to be a complete library about your niche market.