When buying and furnishing a home, nothing is meant to last forever. Even pricier investments need maintenance from normal wear and tear. Here's a great list below that was compiled to show the average lifespan of common household appliances to help you plan for repairs down the road. While materials, construction, amount of use and regular upkeep play a role in the longevity of a product, this below guide is a great way to convince your spouse or signifigant other that it’s time to replace that 10 year old mattress. Also, not a fan of that loud doorbell? You should probably replace it now—it’s not dying anytime soon!