Between 2011 and 2012, spending on home improvement in the United States increased by about 21%. Not surprisingly, between 2012 and 2013, a Houzz survey indicated there was a 7% increase in the number of people who were looking to add value to their home with home improvement projects. Small DIY projects might not bring you the the most desired increases in home value, but they will make your home a more pleasant place for you and your family. Here are three projects that might fit the bill. DIY Landscaping Projects Small DIY projects in your front or backyard are…