Before starting a proposal, you should be very clear about the purpose of the proposal. It is counterproductive (and costly) to begin writing a proposal until you know your target audience and the precise advantages your product or service can offer them. Having answers to the questions similar to the following is a good way to ensure that you are well prepared.
1. Who is this proposal addressed to i.e. do you have an idea about the business and profile of your customer
2. What are the exact needs of the customer
3. How do you plan to satisfy that need – technologically
4. What would be the rough shape of the solution
5. How would the management and monitoring of the project be achieved
6. How would you ensure good quality of the work
7. Who are the other people who are providing similar service
8. What is it that differentiates your service from theirs
9. How much time would you take for the entire work
10. How much money would you charge the customers
11. What are your assumptions
12. What are your terms and conditions