welcome to hive :) how about write an "introduceyourself" post? its a popular tag used for newbies to make a post where they introduce them self to hive, which gives them usually a nice first boost when they use the tag "introduceyourself"... also you can increase earnings by using tags or communities that upvote certain content...
you can see other introduceyourself posts here
https://peakd.com/trending/introduceyourself