Custom Discounts in WooCommerce — a practical guide to WooCommerce custom discounts with clear examples you can reuse in real projects.
WooCommerce Plugin Development Series (37/101). Prefer one article? Read the complete WooCommerce plugin development tutorial.
Short description
Prefer coupons for transparency. Negative fees work but can confuse tax/reporting.
Coupon apply
WC()->cart->apply_coupon('SAVE10');