So you've been a homeowner for some time. You've been faithfully paying off your mortgage for years, and you have a fair bit of equity built up in your home - and that makes you proud. But now, you're wondering what good equity is if you're not using it. How do you actually use home equity? And how do you leverage it to get a high return for low risk? Here are just a few options you may want to consider if you're looking for something to do with your equity.