Underrated common pitfalls — what would you do? [v3]

Not sure if this is the right place to ask, mods please remove if it is not.

Posting this here because the relevant subreddit has gotten too noisy lately. Long-time lurker, first-time poster.

Posting this here because the relevant subreddit has gotten too noisy lately. This came up at a meetup recently and the room was split, so curious what the broader community thinks.