Best: Is waiting for the deer to give me the best shot possible. Last year I shot one doe, Passed up four other deer waiting for the "perfest shot". Passing on the smaller deer and just watching them mill around. Knowing yardage has been pretty close also.
Worst:Need to do more early morning hunts. Knowing the "exact" way to use "every"sound on mydeer call, getting better though!(still have the can

)