Text book buying website quote and information needed

I am planing to launch a textbook website similar to [url removed, login to view] or [url removed, login to view]

I need to know what actually stands behind those websites.

I need a full and complete answer about following questions:

Where is information about a book is being extracted from?

Is the information being kept in their own database or it is extracted from [url removed, login to view] or any other websites through API.

How do they figure out if they are buying a book or not?

How do they print prepaid shipping labels. What technology is used?

What kind of agreement with USPS do you need to be able to print shipping labels on your website.

Also I need a total quote for development of such website.

I will only pay $10 lot for this information but winner will be strongly considered for future development.

Habilidades: Questões legais, PHP, Pesquisa, Design de Sites

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Acerca do Empregador:
( 2 comentários ) Brooklyn, United States

ID do Projeto: #119146