Are You Going To Win?
Constant qualification is the process of continuously evaluating all your opportunities. You need to keep checking that you still want to and should be bidding.
When a large opportunity is important to you, you can get so caught up in it that you fail to notice the red flags which indicate you are unlikely to win. Being fully engaged in the wrong opportunities diverts valuable resources and time away from other, more suitable, opportunities.
First off, you need to understand the importance of having a formal bid/no bid process. This is to help you understand when and why you should bid.