But often we train staff to become great sales people. So, we put a lot of effort into teaching sales techniques which help them make better sales. Moreover, we also provide a lot of methods on how to approach customers in an effective way. The most important fact during trainings is to know product and brand information by heart. Being savvy with the facts provides enough room to focus on sales skills. Promotion requires you to be open-minded, polite, and somewhat extroverted.