I'll add my voice to the chorus. Don't do it.
In the long run you'll actually save money by buying good pads. When I first bought my HF DA, I used their pads. They were easily available and somewhat cheap. However, I found the polishing pads would disintegrate after one use and the waxing pads would only last a car or two as well. Having to buy a couple new pads for EVERY CAR began to add up.
Once I bought some good Lake Country Flat Pads here, I've never had to replace a pad. I've increased my inventory so I can swap pads out more often, but I'm still using the original pads I bought 3~4 years ago. From a cost perspective, those LC pads have more than paid for themselves by now compared to cheaper pads which are essentially disposable.