Arcadia
no worries, i basically just bought the medify and medentry packages to prepare. i only prepared about 10 days before the interview (shocker: not enough time) and i also booked medentry's customised curtin mock interview i think 3 days before the actual thing. i tried completing the online course, but i didn't have enough time; i watched model answers and wrote down something i would have said.
i watched a lot of videos on acing mmi interviews, namely laura beaumont, kharma medic, and emil eddy ucat. they helped me gain a wide understanding of how different areas/countries conduct this type of interview. the mock interview from medentry also helped quite a bit as it allowed me to practice answering mock questions, it showed other people answering the questions, and the interviewers gave actual feedback (numerical and overall performance/tips). they mark a bit harsh/use complex situations which prepares you better for the actual thing.
i also signed up on medstudentsonline to familiarise myself with experiences of past interviewees and learned the dress code suitable for curtin (business attire).
something else i also did for medify training was watch the sample video answers, realise their faults and strengths, and recorded myself responding to these questions. sometimes i took too long so i tried redoing the videos to make sure i spoke at a good pace, appeared confident, and ultimately tried making my answer a lot more concise.
in the end this is what worked for me, and the experience is different for everyone š