Some good deals on Amazon for iPad cases when you use the included coupon code:
iPad mini 2/3 Case-transparent Back
https://www.amazon.com/dp/B01H024KS8/
Code: PAZD9EHC
Discount: 50% off
Final price:$3.99
iPad Pro 9.7 Folio Case
https://www.amazon.com/dp/B01DRZ824K
Code: IH4JB8HV
Discount: 50% off
Final price:$4.99
iPad Pro 9.7 Smart Cover Case
https://www.amazon.com/dp/B01DJI79KS/
Code: L5T7IVMP
Discount: 50% off
Final price:$5.99