(1) You have 3 Days from the date of purchase to ask for refund
(2) On Asking for refund, your account will be de-activated
(3) This is a script that you will have to install on your own hosting. So you will need a domain and hosting of your own to make this script run.
(4) You can use it on PHP coded websites (Not on Wordpress sites)
(5) Script installed on a domain can only be used for that particular domain.