Amazon now offering free shipping for everyone. This free shipping only valid on small items which are of 8oz or less in size.
This is going to be big blow for eBay
More info @
The service covers items that weigh 8 ounces (230 grams) or less, which usually cost no more than $10. Delivery will take four to eight business days from a new shipping hub in Florence, Kentucky, specifically stocked for the program dubbed Fulfillment by Amazon Small and Light.