Instead of replacing a kitchen or bathroom that is looking a bit shabby, what can you do to make it look better? You could re-glaze a bathtub or sink and refinish kitchen cabinetry, etc. This can give them a whole new lease of life.
A clean, bright room will be a lot more appealing to a buyer than one that is dark and dingy. One way to brighten up the home is by giving it a fresh coat of paint. Also, remove any window treatments that make a room look dark and dated, and you will be surprised how much lighter it is. It is also a good idea to cut back any trees or other foliage that may be blocking the window and making the room look dark.
Do you have any rooms in your home that are hardly ever used, like a guest room, for example? Why not repurpose the room into a home office or other useful space that would appeal to a buyer? Rearrange the rooms in your home so that their best features are highlighted. Look up different staging techniques to help you with this. Another thing to remember is that most people will see photos of your home online before coming to view it so, any photos taken should make your home look at its best.
Finally, remember that the less clutter there is in a room, the bigger it will look. A potential buyer does not necessarily want to see your home filled with knickknacks so you may want to think about either getting rid of some things or putting them in storage while the home is on the market.
As you can see, there are many ways to improve the look of your home and make it appealing to a buyer, without spending a fortune to do it.