Good evening everyone one my name is alex i started using my steemit blog this month i saw some post about upvoting it was a very big confusing thing for i searched alot on google aboout this well steemit give you 0.01 sbd per post if you get only 1 or two votes but the question is should u upvote you own post yes you can do that its legal i ask this to jerry and trevon they answerd me yes you can but only 15 to 20 time a day if you have enough voting power but it also depends on timing when you vote for example if you vote is within 30 m after you will earn more reward for this but the post should earn minimum for the best reward.