Definitions for "buying"
the act of buying; "buying and selling fill their days"; "shrewd purchasing requires considerable knowledge"
Purchasing food at a price that ensures the restaurant can sell menu items at a profit.
Keywords:  took, trip, equipment, hours, act
the act of buying; as, buying equipment for the trip took several hours.
Purchasing everything that will be sold in a market, and everything required to run the market.
Keywords:  waste, money
a waste of money now