The prices you charge are in part caused by input prices, except if you wait until the input prices go up you might not have enough padding to pay for it, so if

The prices you charge are in part caused by input prices, except if you wait until the input prices go up you might not have enough padding to pay for it, so if you think the inputs are going to go up in the future you raise prices now. https://en.wikipedia.org/wiki/Built-in_inflation https://en.wikipedia.org/wiki/Built-in_inflation