Build to stock
, or make to stock, often abbreviated as BTS or MTS, is a build-ahead production approach in which production plans are based on information of historical demand, along with sales forecast information. BTS is a typically what people associate with the industrial revolution mass production techniques, where in anticipation of demand vast quantities of goods are produced and stocked in warehouses.
Build to stock is considered good for high volume products where the demand is either seasonal or easily predicted, or both.
Some firms build all their products to order while others build them to stock. Given the widespread proliferation of products, there are a number of manufacturers taking a hybrid approach, where some items are built to stock and others are built to order.