Edit my auction marketplace website

Make a few edits to homepage to make it look more like a marketplace edit mobile menu to make it look more sleek and center it correctly as well. edit product image pages and make the buttons look neater ... similar to ebay. add make an offer, buy it now, bid all at once options which are already on site but just review Enable anyone to create an account and sell there items at the best price, we just review postings and make it easier to post items on website for both auctions and regular listings ...there already is an option but we want to make it easier to both login and post items as well. upload pictures of jewelry easily edit terms and conditions options Ask more questions when registering similar to ebay forum, sell an item similar to this page ebay edit vendor pages.... when someone logs in, can you confirm they're able to see there bids, make an offers and buy it nows. there is an ssl but again just need to review it. there is a payment gateway but please review it Allow people to edit and customize there accounts add a refferral option but there already is a plugin for one, so just edit it. can all users emails be sent to mailchimp and have them subscribe to newsletters?