10 bucks is 10 bucks...
still gotta spend to use that 10%..but you can use both on same order ????
would be half off if that is the case on a $25 requirement,  and if you use on already sales priced items, you be saving very much cash.

Humankind has not woven the web of life. We are but one thread within it.
Whatever we do to the web, we do to ourselves. All things are bound together.
All things connect......Chief Seattle, 1854