Keeping what you have learned: why unreviewed material fades, why active recall beats re-reading, spacing reviews at expanding intervals, condensing topics to one-page sheets, interleaving practice, and a revision cadence for the final month. Guidance only.
Reading the 9 sections above, the worked examples and the practice set is free — the whole knowledge base is on the free plan, along with flashcards, private notes and Ask Onely.