A good many firms venture occasionally to buy in anticipation of their customers' needs, especially when they expect a rising market.
Besides, nothing up there more exotic than what you'd buy in a grocery store.
To buy in the cheapest market and sell in the dearest; to secure cheapness by lowering the expenses of production; to adopt the less expensive rather than the more expensive method of obtaining a given result - these and other maxims are as old as human society.
In the Indian trade, especially in the Calcutta trade, a large proportion of the total amount is done by a few houses who buy in this way, and there is some difference of opinion as to whether the method, which had fallen out of fashion, may not further develop. It is more speculative than the indent business, but the dealing with large quantities which it involves gives the opportunity to buy very cheaply.
The Postmaster-General on the other hand agreed to provide underground wires for the company on a rental, and agreed to buy in 1911 the company's plant in London at the cost of construction less allowance for repairs and depreciation.