With this extension, will I be able to add my own art & images as choice selections?

I am not sure i understand what this means:

Product is used for end user not for trading.

Q - Does the total price include support for 3 months?

Product for end user.... my customer who is ordering my T-shirts, Correct? What do you mean by trading?

3 months extended fee is $29 includes: Q. This is only for 3 months for an added $29.00?
License for your domain - what license are you talking about and only for 3 months?
Unlimited Ticket Support - Q. only for 3 months?
Download & Upgrade latest version - Q . Latest version of what... the Premium Onlne Product Designer Extension???
Thanks, tony - [email protected]