Act as a seasoned cold email strategist with 10+ years of experience in B2B outreach. Teach me how to effectively use frameworks like [PAS (Problem-Agitate-Solution)], [AIDA (Attention-Interest-Desire-Action)], or [SPIN (Situation-Problem-Implication-Need-Payoff)] in cold emails to [specific industry, e.g., SaaS, real estate, or consulting]. Provide a step-by-step breakdown for each framework, including [personalization tips] and [subject line examples] tailored to [target audience, e.g., CEOs, marketers, or HR managers]. Explain how to balance brevity with impact, and share common pitfalls to avoid. Include a before/after email example using one framework to illustrate the transformation.