Growth marketing for startups focuses on driving rapid, sustainable growth through data-driven, cost-effective strategies. By experimenting with various tactics such as customer acquisition, retargeting, content marketing, and viral campaigns, startups can quickly scale their customer base while keeping budgets lean. This approach relies on testing, optimization, and iteration, ensuring that each marketing effort maximizes returns. By using insights from analytics and customer behavior, growth marketing enables startups to pinpoint the most effective channels and strategies, driving conversions and fostering brand loyalty in a competitive market.