How can I get advice on my product before buying it?
Use the question and answers on the trademe listing itself.

How will my order be delivered?
Your order will be delivered to your door by tracked courier, this can be a residential or business address.

Will you refund my delivery charge if I change my mind? 
We’ll refund you what you paid for your product(s) but not the delivery charge, unless the order was faulty or incorrect.

How do I get the order back to you?
Returns can be sent from your nearest Post Office. To ensure that the item arrives in original condition, it is important that the packaging used is robust enough to protect the item. We recommend that you obtain proof of postage and retain this to enable you to track your return.