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I don't know how that answers my question, but I'll answer yours anyway: you're new and you haven't made a lot of quality content yet, so you won't get noticed as much. Keep writing good stuff and you'll break through eventually. People who break through immediately are just lucky most of the time. What also helps is to use good spelling and grammar and to style your post in a way that is pretty and readable at the same time, with the emphasis on readable.
edit: and the reason you got a lot of money on the first post is because it's an introduction post and lots of introduction posts get boosted by bigger users to help people get started.

You made a lot...I only made around 40$ on my first post. But I had the same question actually. It's true..in the first post the most influential users are upvoting your posts...they have a lot of steem power so that each of their votes is worth a lot more then the average user's