Most of our courses and lessons can be accessed online and do not require any physical shipping of a tangible product. We guarantee that each course offered on Lernsys.com delivers accurately the lesson or course contents and materials as shown in the Course Curriculum section of the course. If the course purchased does not accurately reflect the Course's Curriculum description, you may request a partial or total refund within 7 days of purchase by contacting our Customer Support Center at the email provided below and detailing which lessons do not match the Course's Curriculum description: [email protected].