On Sat, 8 Aug 2015 18:19:33 -0500, Muggles wrote:

I suppose I should have tried harder, but I was getting frustrated and
went with the nail in the wall looking for a stud thing that Oren
mentioned. It turned out there wasn't a stud. I have to hand 2 more
shelves, so maybe I'll actually get lucky and find one this time.


There is a smart phone App. Not having one I just use a nail.

https://www.youtube.com/watch?v=dZmd5vkag7o