<p>It's quite expensive .. whats the positives?</p>
<p>its useless. </p>
<p>a) get a knowledgeable human tutor who doesn’t work for a big company
b) study on your own</p>
<p>these are your best options IMO</p>
<p>thank you! i think i will do B =)</p>
<p>The best thing about the OC is the 10 tests with explanations and BB answer explanations. Those are all very useful, but you’ll have to consider whether you want to spend the money on that.</p>