Mirka Goldflex Soft foam sanding pads - can't find in small quantities

[Brian Tymchak]

I've decided to try the Mirka Goldflex sanding pads after seeing them in a few videos. However, I'm only finding them in quantities of 200, for about $70. I'd like to have 2 or 3 grits, but $140 -$210 is way too much for an experiment. Does anyone know where to find smaller quantities?

Thanks!