I always read through my entire diff in the PR preview (on GitHub, say) before submitting, and I find I catch many things this way (typos, small todos, small fa

I always read through my entire diff in the PR preview (on GitHub, say) before submitting, and I find I catch many things this way (typos, small todos, small factoring improvements). I get feedback that my PRs are very polished, and I think this habit has helped.