Does the date it was made make a difference?How?​

It depends on what product you have. If its food, then yes it really makes a difference, because food can spoil and get old. But if its just a  chair, or a piece of anything, then no the date it was made doesn't count. The date just shows you how long its been around, and maybe how long you've had it.

Explanation:

they are often in theme and variations