How to write winning proposals ?

As a senior person in the organisations, its very important to know when to go for and when to walk away from an RFP. There are many a strategies to win a proposal, as there are many a strategies to win and get a pinch on your bottom line results. Here are few scenarios when you walk away from a proposal.
1. When your RFP response takes more than 10% of the project life itself.
2. When you dont have the capability to handle it or even worse, if you are not able to find good partners to work.
3. When you are asked to work against corporate ethics and integrity.
4. If you know the source company to have been in somekind of financial distress

Yoko