biggest shift for me was killing the spray-and-pray approach. cold leads only started converting when I tied outreach to real intent signals - hired a new VP, raised a round, posted a job ad. Random DMs just tank your CTR and make you look desperate.
Also stopped hand-cranking personalised messages. huge time sink with zero CPA improvement. Now i use a sequencing tool that pings on those timing signals, makes the whole flow feel way more natural.
beginners' biggest mistake? Talking product too early. Most cold leads don't care about your features - they want to know why you're reaching out. same logic as a bad search ad: if your headline doesn't match their intent, you're wasting budget