Quick tip - make a small mark on the back of your pad, e.g. black line. That will allow you to tell quickly if the pad is moving or if it's stuck, and also as a way to adjust pressure accordingly. Can be hard to tell sometimes.
Sales happen all through the year, and I'd guess Fathers Day is a prime opportunity for another (I joined the Adam's addiction last summer, post Fathers day, so can't fully vouch). You can always use the forum code "shine on" for 10% off, too.