Groups that support and connect you in the field.
NACA membership (https://www.nacanet.org) paid off when I grabbed a sample bite-quarantine SOP from their library and got ours approved the same week — the listserv feels like a 24/7 squad room. If your budget’s tight, your state ACO association usually has solid networking and cheaper CE; mine even runs a monthly Zoom. Worth its weight in squeaky toys?