Shipping charges on multiple items will be adjusted to correct amounts based on weight and location when invoices are accepted. Or pay quickly using the chart provided on each listing.
I check for invoices at least once a day, so the wait won't be too long.
Items are packed securely to maintain condition. Small comics orders are packed with stiff cardboard inserts to prevent damage. Bigger orders are boxed with wrapping and packing materials to avoid damages. Doesn't do any good to get a great price on an item if it arrived damaged.