Delivery Method and TimingWindy City Dog Walkers Inc. provides services prior to billing. All products are deemed delivered once the service has taken place at a predetermined time and place. All payments are net 15 and due no more than 15 days after a completed service. Services may be ordered individually or set by a recurring schedule predetermined by the client. In order to make changes to your services or schedule please contact customer service by phone (773) 744-0745 or by email: firstname.lastname@example.org.