THE BIGGEST TRICK VIEWPOINT A decade ago, the renovator was seen as a community hero. Now you are viewed as a threat, says the author, who brought many buildings such as the one pictured above back to life in Boston's South End. by Carl Lizio of the TRADE: Getting a Permit There's a new element-perhaps monster would be a better word-in your projects whose costs overshadows all the familiar day-to-day costs; it's more expensive than the worst overrun nightmares and causes longer delays than the bitterest of winters. This article started out to be about the tricks of the trade in renovating I've picked up over the last fifteen years. Today, though, the biggest "trick" of all is getting your approvals and permit to build. Often the