Here are some uses for extra carpet padding. Post your ideas!
Carpet stores will give you leftover pieces from installations for FREE if you ask.
They are good for making chair cushions, double for more thickness and cover.
For your dog's bed, use carpet pads in a zippered pillow slip cover, makes it easy to remove and wash.
We used to live in a house with hardwood floors--very cold in the winter. I used a bath mat beside my bed with a scrap of carpet padding underneath. It was nice to step out of bed onto a cushy rug!