Kohl's new coupons: all 10% off or 15% off($99+) + FS

I searched these coupons
You can choose 10% off or 15% off $100 +

Coupons
* code: NEW5053
* expire: 12/21/2009
* 10% off
* posted 1 day ago

* code: NOCHARGE
* expire: 12/20/2009
* free shipping on your entire online order (without coupon, shipping starts at $7.95)
* posted 3 days ago

* code: SAV15NOW
* expire: 12/23/2009
* 15% off on all purchases when using your Kohl's Credit Card
* posted 4 days ago

* code: SAVE10VS
* expire: 1/4/2010
* 10% off $75+
* posted 10 days ago

* code: FIFTEENOBG
* expire: 12/30/2009
* 15% off $100 +
* posted 33 days ago

But it may not useful for all the products.
Sorry if this is wrong, I'm still learning:)