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A quotation inside the limit has to earn its place twice: once as words spent, and once as material you then do something with. Reproducing a source's sentence and agreeing with it costs you the words and leaves the argument where it was.
Keep one line per source while you draft: what it says, where you found it, and which sentence of your essay depends on it. The third of those is the one that does work, because a source no sentence depends on can be cut from the essay and the list at the same time.
Copy the title into your document from the source it was issued in rather than retyping it. Retyping is where a comma moves, a word softens and a two-part title loses its second part, and none of those changes is visible to you afterwards.
The three interactions are a record of process rather than hurdles cleared at the end. Each one sits at a point where a decision is being made: which title you take, what your exploration of it looks like, and what one full draft still needs.
Count each paragraph and note its purpose. Compare long paragraphs with the rest of the essay: are they developing an argument, repeating one or describing more of a case than the reasoning needs?
Put the issued title beside your final file and compare them word by word. Recalculate the count using the inclusions and exclusions above, then compare it with the number you will declare. Correct any mismatch before uploading.