So , in total we need to wait for 18 days to receives the item . The most problem occurs for online store is item delivery , and most buyer want the item arrives quickly . Those are the example how online store conduct their business differently , some of them are aware of these issue ( delivery , customer help desk ) , and some of them are not .

Question: Why do some buyers get aggravated with the store ?
Answer: Items take a long time to get .Items are frequently broken .None of the above choices .The boxes they ship with are poor quality .