I did what @paul2009 suggested, but I have trouble managing inventory.
I have 1 product (service actually), and I can sell up to 16 instances. I created 4 variants for price points at $30, $20, $10 and $0 to support my Pay What you Want initiative. But each variant has its own stock amount. Is it not possible to have variants like this- that represent different price points for the same inventory item? How do others manage inventory levels?