WELCOME!! Great to have you in the community!

Here are some tips if you're not aware of already:

Secure your account: https://steemit.com/steemit-guides/@pfunk/your-steem-account-is-worth-money-how-to-secure-it-with-a-new-owner-key-to-keep-it-yours-forever
Verify your account and build your reputation: https://steemit.com/steem/@tuck-fheman/verified-accounts--reputation-system
Contribute with your own contents: https://steemit.com/steem/@grittenald/copy-paste-steal-cite-your-sources, and https://steemit.com/steemit/@pfunk/lets-discuss-verification-of-user-accounts-posting-previous-work-to-prevent-impersonation
Properly tagging your posts, especially when your content is #NSFW or for #test only
Know how Steemit works: https://steemit.com/steemit/@donkeypong/still-confused-by-steem-steem-dollars-and-steem-power-the-power-plant-analogy