The average homeowner has all kinds of pressing issues they need to spend money on. Anything that is not deemed to be absolutely necessary will tend to get swept to the background. But sometimes, it can be hard to determine what is necessary and what is not. For instance, although you know the importance of a working water heater in your home, deciding the right time to replace it can be difficult. When a water heater malfunctions, your first instinct is to fix it. But fixing a water heater is not always the cost-effective option, sometimes it is cheaper to replace it. But you will only realize this if you are not keeping track of your water heater repair costs. Without this, it is easy to keep spending money on the system without ever realizing you have spent enough to buy a brand new water heater, warns Alltrade Properties . What are the simple ways to know if your water heater has reached the end of the road and it is time to get a new one? COMMON WATER HEATER PROBL...