As the first-born child (and an undeniable Type Double-A personality), I started taking over big things for my mother when my father was still in the nursing home.
Make sure to look at the address bar at the top of your browser to double-check that you're at the right site--for example, if you accidentally type "bestbbuy.com" you'll end up at a site that looks similar to Best Buy's, but is decidedly not.