We ship for free in Continental US- all normal sized packages.  We ship USPS using first class and priority mail depending on the weight of the item and all items come with a tracking number.  Some items will be shipped from Fedex or UPS if it is more cost effective.  
If customer is requesting overnight shipping, they will pay for that service.
 If item is returned customer is responsible for return shipment cost,  We will ship out of country, however it will be at lowest rate possible and customer will bear the expense of shipping.