How can a freelancer approach potential clients?

[Btaliat]

Many people can make use of different methods that will work out. You only need to make sure that you are creative making use of them. I know a freelancer that will check the websites of different companies, especially the one that have the same niche. Then make sure that you are sending them emails on what you can do better, having identified where you believe they may need your help. What do you think about this?