this is a very bad idea and there are people here on Steemit with lots of power who will downvote you for an activity like that. follow for follow is not cool.

Here are three good articles which will help you to be successful on this platform.

https://steemit.com/content/@zingali/newbie-steemians-or-do-s-and-do-not-s-or-8-tips

https://steemit.com/steemit/@whatamidoing/it-s-a-great-time-for-new-users-to-earn-sbd-by-leaving-good-comments

https://steemit.com/steemit/@thecryptofiend/the-complete-steemit-etiquette-guide-revision-2-0