Yours does not. Only the cardboard wears out.
That is what most scratchers this size need.
Some shred one a month. Some barely touch it.
Skip it, move it, or cancel. No lock-in.
Yes. Every CatCustoms frame takes the same pad, on purpose.
When your cat stops using it, or the cardboard is shredded flat.
There is no harm in running one all the way down.
Yes, any time. You keep the discount. Skipping just moves the next one back.
Yes. Flatten it and put it in with your paper recycling.