I was wondering if anyone else is like me. I just have several in a baggie that are used. As I use them, I just rip them off the tool and set them on my desktop. Then at the end of the day, or when I get around to doing it, I just go to the sink and rinse them out with a little dish soap, scrunch them up in a paper towel to dry. I put them back on my desktop, then put them back in the baggie once I feel they are dry.
When they get worn out, I have plenty of new ones in stock, ready to take their place. I have never felt this method was cumbersome or annoying, I guess. But my space is at a premium, so I really don't want to make room for a big box of some sort. And i really don't like inky pads hanging around, I guess.