Get rid of any brightly colored walls, unless it is a major feature of the home such as in an historic Victorian style. Most buyers want neutral colors. Use bright colors for accents.
Lots of light makes the room seem biggerPhoto by Jones Studio®
Open up all of your blinds and drapes to maximize the light in your rooms. But remember, more light reveals more defects such as water stains and dust. New light fixtures can really help. At the very least make sure your current fixtures are thoroughly cleaned inside and out.
Get rid of your family photos and replace them with artistic ones. Some nice landscapes or floral shots will enhance your rooms.
Take a long hard look at your furniture. You're going to be moving anyway so it might be a good idea to consult with a staging professional. They can rent new, stylish furniture to complete the look of your rooms.
The number one tip of professional stagers is to clean and declutter your home. Then do it again.