I've pretty much sited my scope in at about 1.5 inches high at 100 yds. Then I clicked left a few notches to get to centre. When I did that I was pretty much center but now I'm about zero at 100 yds. I confirmed this with a few more shots.

Can moving your scope left (or rather moving where the bullet hits the paper left) affect how it hits high/low as well???

By the way I have a very good quality scope so it shouldn't be that.