How many of the ubiquitous pull-tabs do you need to dig before finding gold? I'm sure that the answer depends on what type of detecting you are doing and with what machine. On a recent hunt at a fresh-water lake I was using my Excal and noticed that someone had been there before me. I was finding lots of undug pull-tabs (and other trash) so I figured that they were skipping those targets and maybe just looking for coins. I decided to dig all the high and mid-tone signals to see if that woul