adcelannotate = {"mobilepaywallcategory" : "MOBILE_PREM-NATIONAL_WORLD","nativepaywallcategory" : "NATIVE_PREM-NATIONAL_WORLD"};For many longtime owners, times are good. They're enjoying the benefits of growing equity and reduced mortgage payments from ultra-low rates. But for America's growing class of renters, surging costs, stagnant pay and rising home values have made it next to impossible to save enough to buy.