In case you enter a discount code during checkout that doesn't exist or isn't currently active, then you can see the message: “Unable to find a valid discount matching the code entered”.

To use the Midtr.com coupons on their website, you need to meet the conditions:

•  The items you choose must meet all coupon requirements as explained in the Terms and Conditions.

• The coupon has not expired. 

• The seller uses the Midtr.com checkout system or a customized checkout system that accepts the coupon.

Normally, Midtr.com will make it easy to use online coupons with scannable barcodes, such as 59% off your entire purchase, in-store. ... You can check your Midtr.com digital coupons to use In-Store.

Simply, access the Midtr.com site and find your coupons bar. All the latest

coupons will be shown out, note that the coupons bar will only appear when you have coupons available.

To avoid this problem, you should check out carefully Midtr.com promo code before that promo code could be expired, some promo codes are tied to a minimum purchase, a first-time purchase, or tied to geography, and other reasons.

Normally, most of the websites you can print the grocery coupons from only work on a computer, even you can get coupon books mailed to your home for free. But it completely depends on Midtr.com's support program at the time you search, so please visit the Midtr.com site to know more details.