Hi,
Trust you are doing good.
I have gone through your requirement of integrating Paypal to your Ecommerce website.
Kindly share the wireframe document for more detail about the project, would you also like to incorporate
Front-end Search (With Basic and Advanced Search)
User Registration, User profile pages, User Management.
Order and Reports.
Payment Gateway Integrations
MULTILINGUAL/MULTI CURRENCY
Inventory Management
Newsletter User & Admin Functionality
Social Networking Plugins
Let's discuss your requirement in more detail before giving the final quote.
Regards,
Sudhir