You actually don't have to contact Tony to change the ownership over for your site. You will need the old owner to do some of the steps if they do not want to give you their usernames and passwords.

The first step is to go to:

https://www.acmsafe.com/accnts/accview.asp

Login with the old owner's info and you should be able to change what you needs there.
Under edit profile for her name, etc.

If you go to

www.yousitehere.com/admin you can login and under preferences change you password. I'm not sure where all this changes the password, but I don't see where you can change the login info.

then go to:

www.yoursitehere.com/store/setup.asp

Go to security...
under add new user, click edit by current user
Change info to what you want it to be and then hit save.

If you still have problems and can't get feature cart to do what you want DON'T e-mail Tony. Normally it will go into his spam folder and he won't be reached. If you ever need Tony always do a help ticket here:

 Feature Cart Help Desk