Despite what your parents tell you, a house is not an investment. It's a depreciating asset. A house, like any physical asset lose value over time. They age and wear down. To slow down the depreciation, you need to constantly throw money at it for maintenance. This is simply to maintain the value, not to increase it. Houses without maintenance is like an unrefrigerated milk, it goes bad fast . Take a look at any abandoned home. After only a few months you see damaged roofs, clogged gutters, cracked windows, and probably some unwelcomed furry tenants. Maintenance can be pricey. A conservative rule-of-thumb is 1% of your home's value annually. So if your home is valued at $500K, you should budget $5K a year for maintenance. Obviously this is a ballpark figure and should be taken with a grain of salt. Your cost will vary depending on a number of factors such as home age, weather conditions, etc. You've heard the stories from friends and family, homes doubling in val...