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by making great posts or great comments that people want to upvote, or by upvoting something that is great.

By sharing your original and unique posts, and helping give value to others and the community at large, accurately voting, and giving helpful feedback or constructive helpful criticism. Once people see the value in all of that, you'll get upvoted on your posts and comments and be rewarded by curating.

You can make money by investing in Steem power(powering up). You're both helping in ensuring the long term health and stability of the Steem/Steemit and you'll be rewarded(money maid).

Holding Steem dollars, you get a 10% APR interest too. So that's a good way to make money just for holding Steem dollars. Please note: This 10% APR is interest for now. It could change.

Trading tokens is another way to make money. That is, buy low, sell high, repeat all.