We offer 12-month Money-Back Service with a refund, substitution, or a replacement for any issues.  
Within the 1-month after your initial purchase,
We will give you a full refund for returns within 30 days of receipt, (you don’t need a reason).
We will substitute any component or replace any component.
We will pay your return shipping to return the item.
(We may give you $5 bonus cash too)
Within the 12-month Money-Back Service Guarantee Period (Must Complete Warranty Registration)
We will offer a full refund (with reason), replace any component (broken rook? We’ll send you a new one).
We pay shipping for refund, substitute, or replacement.
Amazon Policy:
Items can be returned within 30 days of receipt of delivery using the Online Returns Center. It can take up to 25 days for an item to reach us once you return it. ... Amazon will automatically refund up to $20 for return postage costs on receipt of the item.