plugins/changes required for two customized e-store's built on LAMP

We have two customized e-commerce websites built on LAMP. Both the websites require some changes/addition of functions e-store #1: Few of features require include: 1. Making the current delivery calendar dynamic (Client must be able to enable/disable certain dates/days from the delivery calendar) 2. Purchase History - Client and customers must be able to access their purchase history 3. Dynamic email - All the emails being sent by the back-end need to be made dynamic. 4. Automated TITLE - DESCRIPTION - KEYWORD generator for pages. Website #2: 5. Cash on delivery feature needs to be added (Customers must be able to select COD as a payment method while checking out) 6. Dynamic COD charges (based on the amount in the cart, COD charge would be applicable) 7. Dynamic Shipping charges (based on the amount in the cart, shipping charges would be applicable) 8. Implement 2-3 updated html pages to the website. 9. Automated TITLE - DESCRIPTION - KEYWORD generator for pages. Willing to pay Rs.400 - 500 an hour. Needs to be completed ASAP. Looking for experienced, quick and smart developers. Beginners please do not apply. If completed work is impressive, you will be assigned for all future addition/changes to the e-stores. You will be only paid if the job is completed to our satisfaction and as per the instructions.