From here on out, I'll highlight the Positives (as I see them) in blue and the Negatives (as I see them) in Deep Orange:
You pay for the program on a monthly basis and are given a 14 day money back guarantee. So you can try it for two weeks and bail out if, for some reason, it isn't a good fit for your family - and there are no return shipping fees because it's all online. THAT's a good deal!
We had to start out with Time4Learning by entering each girl in a "grade". As you can imagine, this was tough for me. But I slated Silly-Head as a 4th grader and Girly-Girl as a 5th grader.
Well, at least I think I did. ;-)
There is a WORLD of support for new users. There's a lovely "Getting Started" guide to help moms and dads navigate the website and understand how it works. It was a wonderful resource for me. You can also get help in planning out our school year.
There is the usual FAQ section, but there is so much more. You can email the administrators for help - and they do respond fairly quickly. You can pump more experienced T4L parents for help and advice on the forums. You can use the website itself to plan out your school year. You can preview your child's lessons before they do them and you can opt to have a child who "doesn't get it" do lessons over again as often as you like.