SAN FRANCISCO -- Even if you have to patch together a mobile experience for consumers with a mobile-optimized website, do so, said mobile experts on a panel at the Real Estate Connect conference. If consumers have a bad mobile experience on a site, they never come back, said Marci James, director of marketing at real estate marketing firm Obeo Inc. James pointed out that there are off-the-shelf solutions like MobDis and GoMobi that make it easy to cobble together a mobile version of a desktop website, even without vast tech experience or savvy. Sites built with those tools take an SEO hit because they typically have different URLs than the desktop version of the site, James said. Without a native app or a site that automatically shifts to best fit the screen size of the device acc...