I recently discovered this page and it is very usefull if you are using bots.
Here you can see list of bots, their upvoting power, upvoting schedule
https://s3.amazonaws.com/yabapmatt/bottracker/bottracker.html
The most importing thing about this is that you see max profitable bids, which literally means that you will know how much to invest to get profitable upvote from bot.
You can explore more by yourself, it is new to me as well.
Aa i know 
Photo source: https://s3.amazonaws.com/yabapmatt/bottracker/bottracker.html
Good luck!