Furniture can be damaged thanks to misuse and just thanks to time, so as a furniture owner you should prepare yourself to, at some point, replace or repair your furniture. This is particularly the case if it is something like a sofa or other cushioned types of furniture, as the cushioning will typically begin to wear down and lose its effectiveness a lot faster than, say, a wooden chair.
Refurbishing your furniture isn’t really something that you can do by yourself, unfortunately. It can be done to an extent by reapplying a layer of varnish to your chairs, but generally, a professional is far more suited to the variety of problems that your furniture could be facing. A good furniture refurbisher will be able to strip down and refurbish to its former glory, virtually any piece of furniture.
Furniture refurbishing can vary in price quite a lot, as sometimes treating certain types of materials and type of furniture can require specialist skills and equipment. Refurbishing cheaper varieties can almost be considered pointless, as the price comparison between that just purchasing new stuff can leave some doubt about whether or not it is worth it. Conversely, doing it with more expensive and higher quality materials can be a significant money saving venture, even if the price is quite expensive.