Hello friends,

i found this video on youtube it's very helpful check it out. https://www.youtube.com/watch?v=7c_aGn4NCYI

The people who made this video have a step 2 cs course which is very good.also they have some free tips on their website

http://www.targetusmle.com/newtarget/freetips.php

Hoped this helped
Good Luck!