Posting microblogs improves your "share" score, but the rate of daily earnings rapidly diminishes as the number of microblogs increases.  For this reason, increasing your rate of earnings requires deriving income from other sources.

When someone comments on your blogs, that increases your "influence" score.  That means, after you have "maxed out" on microblog buzz trade, you can still earn good income posting blogs.

However, if you post many microblogs, you run the risk of others buzzing your microblogs instead of your blogs.  If posting high numbers of microblogs has this result, that your large numbers will actually decrease your score.

Earning money on Bitlanders is not just about numbers... it is about figuring out how things work.  It is important to post a blog everyday, and not to post idle micoblogs that will decrease your score.