Trendlines are basic, but it also works the best most times.
Gold bounced off multiple long-term support including trendlines from 2001, 2006 and 38.2 fib retracement of the 2001-2011 rally. I know how much everyone hates gold but I would say go long here as I don't see much downside. My stop loss is set at 1256. I'm calling a long term bottom here. Good luck!