ALL SALES FINAL. Payment is due within 7 days of purchase. Buyer pays shipping & handling charges. WE SHIP ONLY UPS FOR USA ORDERS with FREE insurance up to $100 then $1.75 per each additional $100. ONLY USA MEDIA MAIL & orders to HI, AK, or PR are mailed through USPS. INTERNATIONAL orders mailed by USPS with FREE insurance. If the invoice has the calculated shipping entered, it is ready to be paid, if it does not, please email me before paying. COMBINED SHIPPING WILL BE CHARGED ON QUALIFYING PURCHASES ONLY IF PAYMENT IS MADE FOR ALL ITEMS AT ONE TIME.