Hei 
Tips:
1.Password
Be careful about your master password. If you loss it once, you loss it forever. No chance to recover it. So I suggest you to save your master password in different places.
2.Steem Rewards
When writing a article and going to post, you will have the option to select how to take your reward; "50%/50%" // "Power Up 100%". In this moment "50% steem/50% steem power is the best option. Although This option is defult but its better to know what option is the best.
3.Upvote & #steem power
You should mind it, provide up vote wisely. Its better to provide vote 30 minute interval. If you provide vote more and more, You will loss your voting power.
On the other hand, Steem power makes your vote higher value. So, Try to earn and gather more steem power.
RE: Introducing myself