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How often should a battery be replaced?

If you're talking about a car battery - every five years or so.    ---------------------------------------------------------------------------------------------------- (MORE)

How often should you replace a roof?

    Answer 1     How often you should replace a roof depends on the type of roof.     According to, estimates based on different type (MORE)
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How often should replace your kitchen sponge?

You should replace it as often as you can. But as a limit, do not keep a sponge for more than a month. I do not see myself using a couple of sponges a week, so what I personal (MORE)

How often should a thermostat be replaced?

The great majority of cars probably go to the auto salvage lots with their original thermostats intact, especially the very well engineered and built ones (and the Honda Civic (MORE)

How often should curtains be replaced?

There are a few different times when you should probably change your curtains. If you are updating your home, or a specific room, curtains are a relatively inexpensive way to (MORE)