Add coupon codes at checkout for stacking and large orders:
Buy 3 items get 20% off - BUY3GET20
Buy 5 items get 30% off - BUY5GET30
Buy 10 items get 40% off - BUY10GET40
Buy 20 items get 50% off - BUY20GET50
Wholesale discounts are also available with a dedicated wholesale account and easy order forms.