To consider: Even for absolute bidding, consider having a max % adjustment in particular for very low bids < 0.25 .
Or alternatively, there should be BOTH max absolute AND max % values. Bids will attempt to be increased by the smaller amount. So bids will increase by the % value until it hits the absolute value, and then it will start adjusting by the absolute value.
To consider: Even for absolute bidding, consider having a max % adjustment in particular for very low bids < 0.25 .
Or alternatively, there should be BOTH max absolute AND max % values. Bids will attempt to be increased by the smaller amount. So bids will increase by the % value until it hits the absolute value, and then it will start adjusting by the absolute value.