Michael Cassar has been locked in a costly, two-year legal dispute with his homeowners association over three steps he wanted to build off his backyard deck in an upscale Greenville neighborhood. And now he gives newcomers here a heads-up.  “If you’re buying a home in Greenville and it’s under 20 years old, there’s probably 90% chance it’s going to have an HOA,” the local real estate agent says.   Read the article………………………..