First, the first tag you use at the bottom determines where your post shows up. The other 4 tags just help people find your posts during searches.

Secondly, your steemit account has about 4 password or codes. Try not to always use the master password always, you can use the others and still access steemit from other platforms. You can see it under settings.

Lastly, try follow good steemians, they might post some good tips you probably need from time to time

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