:orphan: .. _index-sale: Sale ==== `Sale `_ Fundamentals to follow sales. `Advance Payment `_ Manage advance payment on sale. `Amendment `_ Amend sales in processing. `Complaint `_ Solves customer complaints. `Credit Limit `_ Adds sales to the credit limit. `Discount `_ Adds discount on lines. `Extra `_ Add extra lines. `Gift Card `_ Sales gift cards. `History `_ Manages revisions. `Invoice Grouping `_ Groups invoices. `Opportunity `_ Tracks leads and opportunities. `Payment `_ Pays sales before posting the invoice. `Price List `_ Applies price list. `Product Customer `_ Adds customer's name and code for product. `Promotion `_ Applies promotions. `Promotion Coupon `_ Applies promotions with coupons. `Shipment Cost `_ Computes shipment cost. `Shipment Grouping `_ Groups shipments. `Shipment Tolerance `_ Define tolerance for under and over shipment. `Secondary Unit `_ Adds a secondary unit of measure. `Stock Quantity `_ Checks stock level. `Supply `_ Supplies from the sale. `Supply Drop Shipment `_ Supplies with drop shipment. `Supply Production `_ Supplies with production.