Use Bundles and Modifiers to track inventory and allow modification at the POS.
Bundles
How to Create BOGO Deals
Buy More, Save More Deals
Bundles: Pours (Example)
Bundles: Cases (Example)
Bundles: Recipe (Example)
Bulk Deals
Tracking Commissions
Modifiers
Creating a Modifier
Modifiers: Add-ons, Substitutions & Bundles (Example)
Math for Assemblies, Bundles, and Modifiers
Bundle Set-up Implications
Rounding decimals for Bundles