Glad it was helpful! There's a strange tendency in technical explanations to expand, expand, expand. A heuristic I have: Imagine you're writing a letter to you

Glad it was helpful! There's a strange tendency in technical explanations to expand, expand, expand. A heuristic I have: Imagine you're writing a letter to yourself, before you started the course. There's no reason to waste your own time, just cover the key difficulties and how to overcome them, in simple language you would have understood. (Oh, this letter also costs $5 a word, so let's make them count!)