Provide clear information about shipping taxes and any other information buyers might need.
You will have to provide shipping information in your auction listing, so the time to think about shipping is before you've made a single sale.
Any cost savings you've realized from purchasing books online can quickly drift away if you're not careful about shipping costs.
Don't forget about shipping and handling costs.
If you're worried about shipping charges, they usually have a promotion that offers you free shipping if you spend 75 dollars or more.