expert marksman

I am very new to the sport and am wondering what supplies I will go through on the regular and what I need to keep stocked. What supplies do you go through quickly and regularly as a shooter? I realize ammo and targets top the list, but what other items may I want or need on a regular basis...

I really need some feedback from some experienced shooters and instructors. I have developed a way to measure the small twitches during a trigger pull using motion sensors like those used in smartphones and gaming systems. I tried to describe it in a crowd-source page (link below) but I seem...