You don't have to spend a fortune renovating your house to ensure a quick sale at the best price. Some of the most effective fix-ups are also the cheapest.

Spending just $400 to $500 on fresh landscaping, for example, can boost your home's value by $1,600 to $1,800, according to a survey of real estate agents conducted by HomeGain, an Internet real estate service. Spend another $300 on cleaning and de-cluttering your home, the survey found, and you could add another $2,000 or more to the sale price.

To pinpoint the projects that make the most sense, start by touring your property with fresh eyes, as if you were a prospective buyer. Drive or walk up to your house and see how it appears from the street. Walk through the front door and take a look around. You might ask a trusted friend to help you spot problems, clutter and weird smells that you've long since stopped noticing. Keep a pen and pad handy to list the projects that need to be done.