Everyone loves a beautiful lawn and lots of trees; today's homeowners are spending a record 17.4 billion a year on landscaping. The benefits are many, ranging from the visual beauty of lush greenery to actual savings through increased energy-efficiency due to proper shading and cooling. There's one more advantage, and it's worth often is overlooked -- the extent to which greenery boosts property value. Appraisers say attractive landscaping adds 5 percent to a home's sale price, while poor landscaping lowers value by as much as 8 percent to 10 percent. While many homeowners tackle the job themselves, more and more are hiring landscape architects, horticulturists, tree experts and lawn and garden contractors. Whether you do it yourself or hire a pro, lots of green means lots more green. And that's the On The House tip for today.