(bug? Said error 500) I'll delete if first worked)
@Arwen and @joshuad11 are correct.
It isn't just about cost, it is time and if my needs can be met enough to actually use it, so you need car drivers to test car things, traveling heavy users for batteries, the right type device for chargers and cables.
Power Users tend to be used for shipping products to cause review to exist so feedback is already too late.
For that reason the PU program is too small, it too often is a useless review of only unboxing and telling me no more than I can already see from existing information as the PU was selected on review following and not because they need and would use in anger the products