Steemit welcomes us with open arms, they tell us that we come for the money and we will stay for the community, we think excited to see the results of others that is bread, we just have to vote, write some text, some images and ready

But like every community we have to first understand how it works, imagine that you come to a country where no one knows you and start earning a living, so before you start to write, it is best that you read.

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Look for paper and pencil

Investigate what people say about what you are interested in, if you like sports, start by looking for sports articles, for this you go to the magnifying glass next to "Submit a Story", there you are putting keywords and reading articles That shows you.
Take note of the labels you use and check for more material, when you finish writing the next gap is that labels use, do not use the first one that comes to mind, analyze well where you block your material, remember that you are looking for people who are interested in the Theme that you bring in your writing.
Follow the people who publish things that you like.
Comment with sense, because you have read and are interested in what you wrote, if you have difficulty expressing yourself work on it, because the comments of two words generally will not attract the attention of the author or other steemians who could follow you.
Vote for the material that you consider good. (Remember you have 10 votes a day with good Steem Power)
After you have read good material, select the points in which you think you can enrich the community, it is also important that you evaluate if the topic you found is successful, read it, opined, had reward, otherwise it would mean that nobody cares , And if so ...
Keep trying until you find a topic that will thrill you and the people on steemit.

While you are in this research stage of your niche market, take advantage also, know the rules, the forms and the dynamics of Steemit, this community has a language, and it is important that you know it, words like witness, upvote, curator, resteem , Steemvoter, among others, should be in your notebook and investigate them in your alliance with the search engine, each new word you place it where the magnifying glass and you will see what has been said about that topic.

What can I do with what I know, that I'm so passionate about it and useful to people at steemit?

The success of any endeavor is to do what you love and excite, seeking excellence.

It seems that you are ready to make your first publication, you have already reviewed the label #Introduceyourself and dressed like others did, surely you are a great creative and you can think of a way to make it better, more fun, show who you are and why we will follow , And so you have in your first post the best way to promote yourself.