Closing a deal with a client. Working Formula

How do you successfully make a deal with a client. Here is our formula:

1. Understand the client’s position
2. Tell them about their current position and what problems they are having. This way the clients feel that they are talking to someone who understands them and they will be ready to listen to you.
3.Propose a solution. Please note, you have to backup your solution with facts, don’t assume as this is dangerous because if your solution fails they will never trust you again. So do your research before giving a solution, if possible test your solution first and see if it works.
4.Ask them if they understood you.
5.Ask them when you can start