A wire-connector brand expanding into mechanical tools and wire strippers - each with different ROAS curves, creative needs and audience overlap. Search wasted $285 on 14 zero-conversion keywords (Tesla CarPlay queries crossing over) and presell-to-PMax attribution wasn't resolving cleanly.
The strategic frame every angle traces back to - the villain we name, the mechanism that beats it, and the proof no competitor can copy.
Soldering-iron equipment barrier - DIYers lack the iron, heat gun and solder skill, so they abandon wire repair entirely
Pocket-coded PMax architecture (one pocket per product line) + 'no-soldering-iron-needed' angle stack
IP67 waterproof patent + 5,000-review trust stack + creator endorsements (The Bearded Mechanic, Born Again Boating)
Designed a pocket-based PMax architecture - one pocket of bottom-of-funnel campaigns and one pocket of hero campaigns per product line - so the Wire Connector line, Mechanical Tool line and Wire Tool line each get fully isolated PMax surfaces.
Different ROAS curves, different creative postures, no cross-line cannibalization.
Built first-time-diyer-solder-stick-stories, sealed-ring-terminal-buyer-guide, solder-seal-wire-repair-field-report, solder-stick-field-pro-reports, solder-stick-vs-butt-connectors-t-taps-soldering-iron - five angles, one consistent removal of the equipment barrier.
Pulled creator endorsements (The Bearded Mechanic, 414K subscribers; Born Again Boating, 244K) into RSA copy for the mechanical-tool and marine angles. Named UGC sources keyed to high-trust verticals - mechanic for automotive, captain for marine.
Search wasted $285 on 14 zero-conversion keywords (tesla carplay adapter, carlinkit variants, android auto queries - audience overlap between SolderStick connectors and Tesla buyers in PMax broad-match). Auto-negated to free spend for high-intent connector queries.
Wire Connector line (30 SKUs, IP67-rated, hero), Mechanical Tool line (Universal Socket Wrench, launched 2026-05-02), Wire Tool line (8-in-1 stripper, launched 2026-05-03) - each ring-fenced before cross-sell.
'solderstick' brand-term organic CTR holds at very high rank - paid brand bid reduced. Organic absorbs brand defense; paid spends on non-brand.
Each new product line gets its own isolated PMax pocket for 4–6 weeks before any cross-sell activation. The pattern is now the brand's default scaling motion.