There are two types of discounts available in SimpleShop, details below. All discounts can be set to have an activation code or to apply discounts automatically the activation code field can be left blank.
Spend amount, get a discount
This enables you to offer a discount (either money off or a percentage off) when a user buys over a threshold. The threshold can be set to a quantity (e.g. at least 3 products) or a spend amount (e.g. at least $50 worth of goods).
Buy a quantity, get a special price
The enables you to offer bulk-buy discounts (e.g. buy 3 widgets for $20). This type of discount can be applied to specific products or products within specific categories. For example, you may only want to offer it for red widgets, not for blue widgets.