Here is the official Randowhale 101 guide from the sleepy whale:

https://steemit.com/steemit/@randowhale/randowhale-101-everything-you-need-to-know-about-randowhale

You may also what to check out my Upvote bot weekly digest:
https://steemit.com/steemit/@randystiefer/this-week-in-upvote-bots-6