My first offering is about qualitative research methodologies. It took years for me to make sense of the complexity of qualitative research methodologies. I even made the mistake of choosing the wrong one! I wasted SO MUCH time. But luckily, I figured it out before it was too late...and the result was that I
rewrote my entire thesis from scratch in less than three months. My supervisor called it "superb" and I sailed through the rest of the process.
I have now devised some unique approaches to teach others qualitative research methodologies so they don't have to make the same mistakes I made.