I used to feel the same about that mold. I purchased 2 diff ones and both shot like crap no matter what I did. One day at the range a gent I knew was selling his so I bought it because he swore it shot great. After casting a few with his and measuring them I found his mold to cast a full .002...
I am brand new here but not to cast bullets or as we say on another forum cast "boolits". As has been said it can easily become a hobby of its own. I currently cast for 308win, 30-30, 7mm-08, Marlin 444, 35 Remington, and quite a few pistol calibers. Word of warning. Most people start by trying...