If dreamed you that you sell something at obviously high price, then in real life your hopes for success are not supported with real actions. To sell at cut price means that you miss something important. If you make purchase at the favorable price, then in reality You will be lucky in commercial affairs.
Be sure and keep any other thoughts out of your mind before drifting to sleep as a cluttered mind can decrease the chances that you will remember your dreams upon waking. Also, focusing on remembering your dreams upon waking in the morning is another very important thing. This sounds very easy, but is often hard for some to do. Interpret a dream by "dictionary dream of interpretation"
When you very first wake up, simply think about your dreams. Don't allow your mind to drift off to other things, just lay there and think about the things you dreamt about the night before - dictionary dream meaning.