When you open Steemit website , by default the site shows the posts which are trending and made lots of money, upvoting them is not helping little fish but is giving more money to the once who already made money .
So i suggest to change the "trending" option to "new" posts option by clicking the drag down button besides the Steemit beta logo. Start reading the new posts, this is where you see the posts by fellow little fish. Up vote the once you like .
Keep smiling and Steeming. Thank you.