Know the mem items/lims/profiles/ and flows. I spent maybe 30 mins a day (only during weekdays) and had no probs. You will do CPT's before the oral- Know the flows and profiles, you will need lims and mem items for oral. Sim is common sense and procedures. Not a big deal, just study what is about to happen- the entire program is on a syllabus so you know what you are about to get.