It is good Netiquette to read the shipping policy. Don’t buy something without knowing about delivery.
Shipping Netiquette Ecommerce
A Shipping Policy includes the shipping practices a company or seller follows when shipping items. E-commerce websites provide them. Auction websites generally require sellers to provide them as well. Delivery methods and time periods for arrival are generally included.
All merchants ship according to their own policy. Do not assume a package will arrive anytime. Make sure you know your packages arrival date. Read the shipping policy.
Read the shipping policy because it provides information about when items will arrive.