Oscomerce Website Optimization conversion improvement

Hi, I have a good website which converts at 2% basically but I am very sure we could convert sales better. What I need is someone with good experience in website optimization for sales conversion improvement. Need an expert in Oscommerce PLEASE dont bid if you are selected and don't know how hot modify a php page I will not pay. One modification I need is: Be able to manage in admin a product, = > I sell boxes of candies, but sometimes I want to sell candies separately so I need a modification that can permit me to allow to sell a specific candy in quantities I select. example 5 units, 1 unit. Etc. So the customer on the product info page can select that, either buy box, or buy in specific (preselected by me) quantity. What I request from bidder: - Ideas on how to improve conversions, I will reply with my website address you can provide ideas, if I like what you suggest you will be selected. - Quote the word "improvement" on your bid, otherwise I will not respond - Be able to do the modification I requested earlier. - Need daily updates from you, lack of updates will be considered as job abandonment. Files will be provided for you to modify but you will not have access to our personal admin or database since we cannot allow that, so please also be sure if you bid you are patient with us. Thanks