Legal

Terms

Last updated September 2026

What this is

50yeartrader.com publishes books and training on Goodman Wave Theory. Everything sold and published here is educational material. It is not investment advice, and nothing on this site is a recommendation to buy or sell any instrument.

Buying

Prices and what each product includes are stated on its page before you order. By completing an order you accept these terms.

Delivery and refunds

Digital books are delivered as watermarked PDF and are non-refundable once delivered. If a file fails to arrive or will not open, write to us and we will make it right.

The Trader’s Playbook is a printed limited edition; reservation, dispatch and cancellation terms are confirmed in writing before payment.

Mentoring places are confirmed by application. Cancellation terms are agreed in writing before the first session.

Intellectual property

The books, diagrams and site content are the property of Michael Duane Archer and Mohamed Ahmed. Your copy is licensed for your own use. Sharing, resale, redistribution or republication is not permitted.

Liability

You are responsible for your own trading decisions. We are not liable for trading losses or for any damages arising from use of these materials.

Contact

Questions about these terms: write to us.