If multiple people are joining, consider a family membership?
Once a member has paid for an annual membership, the cost is no longer refundable - the mebership will remain however for the full 12 months after purchase.
I'm a shipping policy. I'm a great place to add more information about your shipping methods, packaging and cost. Providing straightforward information about your shipping policy is a great way to build trust and reassure your customers that they can buy from you with confidence.