Does anyone have any coupon codes for Avis?

Going to Chicago next month. Just looking to save a few bucks. Any help would be great.Does anyone have any coupon codes for Avis?
Save up to 20% Plus Free Single Upgrade when Use your Mastercard at Avis Rent A Car





Save up to 25% off Plus Receive 1 Free Day and Upgrade on Weekly Rentals at Avis Rent A Car





there are many more coupons are available at





http://www.couponhug.com/avis.com-coupons








check it and enjoy ....Does anyone have any coupon codes for Avis?
There are here:


http://searchalldeals.com/deals/search?c鈥?/a>
i don't but i would go on google and type in ';avis coupon codes'; or something along those lines.