Buy 12 month supply of Heartgard and 12 month supply of Nexgard receive a $60.00 rebate gift card in the mail. Nexgard: For every 6 doses of same size you buy, you get a $15 rebate gift card in the mail. Call us at 309-245-2888 or stop in to take advantage of these exclusive offers or to ask about other possible rebates. If you live in Farmington, Elmwood