I front the packaging costs myself, but as I sell art works which are flat this basically involves buying courier bags from a photoshop on Trade Me (never buy from post/courier sites) which are sturdy and cheap in 50/100 lots, cardboard flats (the type you fold into boxes) from Warehouse Stationery, and rolls of wide clear packaging tape from Two Dollar shop. Labels I print on my printer and sellotape on. Basically costs me $5 a trade to package. I don't believe in presenting the buyers with more add-ons, that is hardly a "buy from me" invitation. In fact, since I've offered free shipping i...