Preparing for product sense, estimation, metrics and behavioural rounds without memorising scripts.
Product interviews test a small number of question types, and the difficulty is having a structure to reach for while the clock runs. These cover the process, the question formats and the technical background, in the order worth reading them.
The complete picture, covering how the process runs at the large technology companies as well as the question types and worked answers.
Named frameworks for each question type, which is what you want when you need a repeatable structure under time pressure.
The technical background in plain language, for the questions about how the systems behind a product actually work.
Product sense questions reward a real point of view about how product teams work. This is where most interviewers got theirs.
For metrics questions. Knowing which measure matters for which business model is most of a strong answer.
Discovery and research questions come up in most loops, and this gives you a defensible position on how to learn from users.