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The value of a vote is related to the amount of SP (steem power) held by the voter. If someone is New or has very little SP, their vote will only increase your payout by .001.

You need ten votes of this amount to get to .01.

So I have .500 SP at my account now and it says (+14.520 STEEM) at the bottom. How do I get more and what's the +14.520 at the bottom?

Apologies if this question has been asked before.

as a new user it is quiet common to have some doubts or questions..
refer to https://steemit.com/steemit/@himshweta/15-ways-to-change-your-life-by-using-steemit-part-1

patience is the key here @haughtyangel !
keep posting good stuff like you do thereby getting more followers , be active ,follow good people with good steempower , and in 6 months u would be steeming wonders !
Good luck gal!