I let it collapse instead of planning it. Failed a core module in my third semester, which meant a retake, which meant an extra $2,100 and another four months. The failure came the week both jobs had quarter-end at the same time and I made a decision at 2am that I would not have made rested.
If you can see the pinch weeks on a calendar - and you can, they're the same weeks every term - decide now which one loses. Deciding in the moment is how I got the retake.