Mike King 
mike@gir.pm
@emkay

1. It's too early to estimate
   
2. Project is too big to estimate
   
3. It takes too long
   
4. We did it already
   
5. We have questions
   
6. Client is going to change their mind
   

1. Estimate as often as possible.
   
   
2. Realise that it's not easy.
   
   
3. Get it wrong early.
   
   
4. Break everything into estimable pieces.
   
   
5. Don't get bogged down with questions.