Upgrading a PC is something that most people overlook. If it already appears to work fine, why mess with it? It seems like a waste of money upgrading a PC when there's no obvious reason to do so, but so often problems with your PC aren’t immediately obvious. Unlike many other appliances, a lack of cosmetic damage to your PC doesn’t mean it’s running efficiently, or working effectively. In the long run, upgrading a PC can save you lots of money. Here are a few ways that upgrading regularly is more cost-effective than waiting until a critical issue drives you to upgrade.