You posted on and old post you did not create a new post. As your is for a new user you should be creating a new thread/post. Technically you did not create this thread Spin did. All he is asking is in future create a new post for something like this by clicking the new topic button.
Please dont buy anything until the admins have responded as you might just be buying kit you cant use and wasting money.
For future reference check out link below for test kits