Wyze should aim to make sales-suggested discounts and bonus services as solid, clear and straightforward to redeem as Wyze Cash Credit was for me here:
Proves they can do it.
To fail to do so reverses the enthusiasm of having snagged a good deal to resentment at having to untangle some techno-phantom cyber mess. 
I had this experience with cam v2s sold with Cam Plus bonus years ago. 