Sonos and other retailers have marked down prices 20%. When i try to use my 30% credit against the new price is does not allow it. Only against the higher non sale price. This is wrong as the 30% is really only 10%. Sonos should allow the credit against the product price on any given day.
Best answer by Mr. TView original
It is quite common to not allow additional discounts on top of sale prices. Nothing unusual about it at all.
The Upgrade Program Terms and Conditions clearly state: