getting Chad's video

[Curioustooth]

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I am trying to buy membership or something like to get chad's video. (I know what website to go)

My question is that what is the difference between getting premium membership (ex. two month is $50is ) or just buying 2 categories (it lasts for 3 months and $50)??

 

[sbdento]

I think with the premium you get access to all the videos. Since the only subjects you need for the DAT are the Ochem and Gchem videos, I just ordered them each for 3 months each. That cost me $50 for three months instead of $50 for two months (premium). As far as I know, the extra stuff from the premium deal wasn't worth it to me.