To automatically hit a homer press 1,2 at the same time. Then hold down the down arrow all held down at once, then you have either missed it or homered.

To get a hit 4 out of 5 times make the pitcher only have a fastball. Then make it 94 mph. Then when you are choosing, power contact, bunt press left, right, shift. Then choose power and swing normally and bam a base knock.