Build a business-to-consumer and business-to-business sales services via web

do not contact me unless you have read below and used the words "I understand your project " business-to-consumer and business-to-business sales services via web portals. e site should have 3 user types (Administrator, Seller, Buyer) Called roles in - Users should only be able to register as sellers or buyers and only the administrator should be able to make another user an administrator Easily done by default. give users the right permissions to choose how they want to register - When a user registers, the information taken should include name, address (street, city, county, country), email, phone, business/company name (suggestions to improve this are welcome by the way) Not sure about this one, probably you have to look into the profile module - The site should have categories and sub-categories for sellers to upload their products You will need to create your own custom Content Type called Product. Use the CCK module to define the fields that Product will have. For example Title, Image Thumbnail (Image module), Description. You then have to create the categories and subcategories yourself using the Taxonomy module (default functionality) and allow users to upload, edit and categorize their OWN Products. - The administrator(s) should be able to create categories and sub-categories Give admin role the Permissions to add and edit Taxonomy. - The product information should include product name, product type (related to category and/or sub-category), description, price, images, meta-keywords See above. CCK, custom content type etc - Products should have to be approved by the administrator(s) before being published on the site Default functionality. Permissions again. you might want to set up Triggers and Actions as well so that when a user creates a Product you receive an email. - The site will function as a catalog and e-commerce Use the Views Module to provide different displays of products - Sellers should be able to view all the products that they uploaded and be able to make edits (if edits are made then the administrator my re-approve the product) Views Module and permissions - Buyers should be able to search for products by category, name, price and general keywords Search module and Views should cover this