The amount of class-file hackery that goes on with LaTeX submissions is remarkable. (shoutout to the rest of HN procrastinating near the CHI deadline)

\renewcommand{\baselinestretch}{0.99}

Not that I have ever used it, of course.

I don't want to think about how many \vspace{-0.05in} I've sprinkled into manuscripts over the years.

Hey Andrew, funny seeing you here (we went to grad school together!)

It was SIGCSE for me two weeks ago, but the savetrees package kept erroring when I used acmart.cls