Wordpress Online MarketPlace/Multivendor Site Customization

I need someone to customize my wordpress marketplace website. The site is [login to view URL] Here are the requirements: [login to view URL] the currency to Naira and also enable the currency to change due to location. 2. Change the logo to run with [login to view URL] own logo, phone number and emails. 3. Enable Vendors to sign up and only approved vendors would be able to start selling on the site and also have their own storefront that they can customize if need be. 4. Enable Email confirmations from any inquiry should fly via the [login to view URL] email domain. [login to view URL] approved Vendor can post pictures and price of their products directly using their own approved username and password. 6. Enable chat system on the site allowing the vendors to have a direct chat with the buyers. 7. Enable Discounted products to be seen. 8. Enable Google Adsense widget on the site to enable advertsing. 9. Enable premium sellers/vendors as approved by the admin to have their own products at the very top. 10. Enable Coupon Generator on the site via the admin or the vendor directly from the vendors user account. 11. Enable the display of new users or signups at the bottom of the site and location. 12. After each sales an email should be forwarded to the site admin specified email as well as the vendors email and the buyer too to check fraud. 13. Each seller can post their products and prices directly. 14. Only a confirmed buyer who has purchased a product from a seller can give a feedback for such seller that he or she must have purchased from. 15. Each Vendor on the sign up form must submit a copy of their company registration, copy of their government issued ID, a copy of their utility bill. 16. When a vendor signs into their account an email confirmation must be set to the account user to confirm that the user just signed in no matter how many times. 17. Each vendor when signed up would automatically be issued a registration store number. 18. Do a general customization and enable all categories and pages. Take a clue from [login to view URL] Note: Please read carefully and quote as I would not entertain upward price discussion. May the best man or woman win. Good Luck.