90% off Galaxy Store Coupon doesn't work

[userRPCMv8d3Gn]

Clearly indicates the coupon works for $4.99 and up but I tried to buy something for $4.99 and it didn't work.

[meself]

Certain items or amount may be needed

[Tdinh27]

Where did you get the 90 percent coupon?

[SammyNerd83]

Call sales. AKA ecommerce support.