It will help open up the space and makes the home look bigger and younger.
If rooms are overcrowded, remove big pieces and store offsite. Make sure that there is nothing obstructing a buyer’s focal points such as fireplaces and views
Wash the windows, clean the cobwebs out of the corner and scrub grout in tile floors. Clean furniture because it will enhance the overall first impression.
Add a new doormat, new house #s (if applicable) and maybe a fresh mailbox. Paint the front door and if needed, the exterior of the home.
Clean up flower beds, add fresh mulch and/or pine straw and be sure trees and bushes are trimmed, neat and kept.
Besides the potential need to paint the exterior, be sure interior rooms have neutral colors. If kitchen cabinets look old and dated, you can paint these too. Be sure to choose a color that matches the rest of the kitchen.
This isn’t expensive and will really bring new appeal to the home.
If there are hardwoods underneath, then exposing them is ideal.
If a dining room was turned into an office, return it to a dining room. You can still put up a “tent card” that can say “Dining Room or Office” if you want to show flexible space.
This would also be true in a bedroom you are using as an office.