We recommend that you never buy a course that does not offer you a 100% guarantee. With the Estimating Business Apps course, you get our “Amazing Estimates Guarantee.” So if you believe what you learn in this course is useless, you can email us and let us know why, and we’ll be happy to give you all your money back. Just send me an email within 30 days for a full refund. And I’ll make sure you get your refund with a smile.