Amazon offers Prime members the AmazonBasics Wood Suit Hanger 30-Pack in Natural for $20.82 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $11.10.) That's $3 off list and the lowest total price we could find.

Update: Non-members can now opt for Subscribe & Save to yield free shipping. Be sure to cancel your subscription after your order arrives to avoid being billed for subsequent shipments.