If you bought the house in a dream, then it shows something new and stable its on the way. If you sell the house in a dream, then it shows the fact that you will become free very soon from unwanted responsibilities. If you buy something and get the check for it, then you will receive great fortune in your waking life. If you spend too much money on something in a dream, then you should calm down and concentrate on one thing in your life.
Read more about dreaming of Buying and Selling in other dream meanings interpretations.