Magento- Online Shopping Store

Shopping Cart Requirement for Grocery Items I need a new website for online shopping in Magento. I need you to design and build my online store. I already selected Magento Template. Demo Site: (Look for Online Grocery Store) [login to view URL] Requirement: 1. Able to handle 250 to 300 Grocery Products 2. These product will be having category and sub categories. 3. Able to keep this product in multiple groups ( 2 groups) for shipping cost calculation. 4. Shipping calculation will be done based on the group 5. Delivery is free if total purchase more than 60$ and all 60$ item is belong to GROUP A. If not then delivery charges 7.50$ applicable. 6. GROUP A will be having high margin product; GROUP B will be having LOW Margin products 7. PROMO CODE should be available to redeem for referral customers 8. Rewards Points should be given for every purchase. These rewards point should be accumulated and available for redemption 9. "Refer to a friend" function should be available by email. Where both party should get 5$ discount for first purchase. 10. First time customer should get 5$ promo code voucher to get discount for first time purchase. 11. Payment will be by CASH/FUND TRANSFER/PayPal Backend: 1. Sales Report on monthly basis 2. Inventory Report on monthly basis 3. Email alert for low stock qty 4. Customer Report 5. Able to send Promotions email to customer ( bulk)