1. Tour pro misses 70/80 % of putts on the low side.
2. The Average player only sees a third of the break.
3. Very few putts are totally straight 98% of putts will break.
4. The more break in the putt the more likely it is too miss the hole below the cup.
5. If you are unsure of the amount of break to hit always safer to hit slightly more break than less.