That’s not a special link — just kmart.com.
The only thing you need to see the discount is an account. After you’re logged in, if you add anything to your cart, you should see that you have “FREECASH” available up to $20, which you can apply at the checkout page to bring your total to $0.
After I did my first order, it looks like I earned another $6 in “FREECASH” so I placed a second order of a smaller item.
Do in-store pickup to save on shipping costs. Technically this can work once per account. Not sure if these orders will be honored.
Direct Link to Sale Categories
Enter codes SWEET and FAMILY at checkout to get 40% off + 10% off (they are multiplicative, so the net discount is 46% off) and free shipping.
For cash back, Ebates is the best shopping portal currently, paying out 6%.
Personally, I just bought some baby stuff. If you’re doing that too, there is some overlap in sizes between “Toddler” and “Baby” for children 1-2 years old, so check both categories if that is the case.
This is also a good time to use the $15 GAP gift card from the previous GAP deal I posted, if you haven’t spent it yet.