Woocommerce Variable stock management (WooCommerce). This is got down to resolve the issue of coping with WooCommerce’s variable merchandise handiest ever deducting one from the entire product stock. The use case I had for it used to be as follows: Client needs to promote packs of cigars three/five/10 and needs each and every variation to deduct from the primary product overall. So I constructed this easy plugin to control variable product stock and replace product amounts dynamically, the usage of woocommerce. Basically it solves this query now not mine nevertheless it ilustrates the purpose: http://wordpress.stackexchange.com/questions/72662/woocommerce-fixed-quantity-of-a-product.