Watch-out for encouraging the wrong behavior with mis-aligned motives.
What if we paid our doctor a monthly fee to keep us healthy? We wouldn't pay when we're sick, so they'd have the proper incentive to make us well as fast as possible. Why does my healthcare provider make more money the sicker I am? Where is the aligned motivation there?
Don't promote that you'll cease shaving your beard until your sales team makes $1M in monthly sales. It's possible they'll enjoy watching you go all [Rip Van Winkle][rvw] on them more than they will be inspired to push your sales over that $1M mark.