It is normal to need to update different things in your house from time to time such as feather quills. Certain things are not going to need to be changed as often as others but you can be sure that every year/s you will have to replace the minor things to insure your house maintains its value and also to be sure that your body maintains it value. Obviously, you are not going to mark dates down on your calendar as to when certain things need to be adjusted however you will be able to tell when something in your home needs to be upgraded.
Mattress protectors is one of the things that does not need to be replaced frequently but do need to be replaced from time to time. You will find that after a while wear and tear will cause them to automatically become damaged and they will need to be replaced in order to keep your mattress from becoming worn out. However, the good news is these protectors are not that much money and they are way cheaper than having to go out and buy a whole new mattress.
If you have brass curtain poles these is another item that you will need to change from time to time. Wear and tear is also going to occur naturally to these items and if you have pets the damage may occur a tad bit faster than normal. However, these poles are also not going to put too much of a dent into your wallet.