I have no idea what a Uhaul pad is, but it seems a ridiculous expense for cage lining. Is it cage lining that you need them for? I imagine that there’s lots of hygenic options that are less expensive and easier to come by.
In my rabbit’s pen area, I have 2 litter trays in one large under the bed storage box. I put a puppy pad to line the box, then fill the litter trays with a layer of paper based pellet and change every 3 days. It doesn’t smell in between changes, and they are right next to the sofa so I would notice if it did.
I used to use puppy pads to line their whole area when I was training them, but now I just leave the wooden floor bare, and have a couple of fleece blankets. I just wash the blankets every couple of weeks.
Would you consider using puppy pads? they’re disposable and easy. But without knowing exactly what you need the uhaul pads for its hard to make recommendations.