Some minor and fast changes to an existing eCommerce script (Etsy Clone Buysell from Agriya)

I need three things done, fast and easy: 1) Fix an error that is not allow the script to send emails to new customers, so they can later activate the account they created on the site. 2) Implement a "Copy" option in the , so the shop owners can duplicate items in their store, to accelerate adding items to the store. 3) A "delete" option in the admin panel, so I can delete users and their attached shops, if necessary. They are really easy tasks for a skilled PHP programmer, and should not take more than 1 hour to complete the job. Experience in e-commerce scripts is really important, since I want to establish a long term relationship with the programmer, doing other minor and major changes in the future to the script I purchased (Buysell from Agriya). So let's take this project as a trial to see how you can handle it.