I noticed them stocking up a few weeks back and picked up a few of their foam wax applicators (kind of like the viking handi-grips). About 2.50, nice, big, comfortable and easy to work with. Waaay nicer than using those little gold foam pads.
On another note, my Zellers also carries 303 protectant! Don't know if it's chainwide, but the big spray bottle goes for 14 or 15 bucks.