Auction Site required

Please read carefully,Please send previous work with your bid if you are not prepared for the job. Do Not Bid!!,I need a simple and clean design,smooth functionality and great user experience. The site will display only 8 products, the products will be displayed at intervals of 5 minutes with a real time clock showing the countdown. completed the 5 minutes, it will show 8 different products [login to view URL] are two types of users, buyers and [login to view URL] signed up user can Sell or Buy The Sellers should upload their products, the descriptions and the initial price of the auction, but it must acquire an advertising package from the site, the amount of the package purchased will be credited to his/her account in the site in local currency. Then they will choose the interval or the intervals of 5 minutes of their choice within the 24 hours of a single day, taking into account that there are 8 places available for each interval, they will select their desired intervals, the system must add up the number of intervals and subtract from their accounts the amount in local currency,depending on the price of the 5 minute interval of their choice, then they must confirm the [login to view URL] will be able to save in their accounts 10 products at once, to add more products a specified amount from their account will be subtracted. Buyers will see only 8 products on the home screen, the product image, product title,the current auction price, the name of the user who is winning the auction,the remaining time in the clock and the bid [login to view URL] the bid button will send them to a pop-up screen to enter the new amount to offer,in local currency,they must commit to pay if they win the auction. If the buyer click on the title or image,he/she must be taken to a second page where they will see in more detail the specifications of the product and the seller info,the clock should be kept in the second page also, and the bid [login to view URL] a buyer wins an auction, the seller must receive the alert via email with the details of the transaction and contact info of the [login to view URL] buyer must receive the same alert if he/she won an auction with the seller [login to view URL] sellers and buyers will have ratings and facebook plugin (To login, comment,etc.)