You must able to do some calculation on ROI.
The Bots are running 24/7 ; Bidding more than The Pot = Worthless.
Are you for Winning or Losing ROI?
Bidding 10 x Steems to get 12 x steems minus 25% curation = Losing.
I hope you understand.
Knowing is one think , understanding the concept is another thing.
The Pool are getting shallower each time someone Bidding.