For small businesses with limited budgets, the most cost-effective digital marketing strategies include: - Social media marketing: Utilize free platforms to build brand awareness and engage with customers. - Content marketing: Create valuable content to attract and retain a target audience. - Email marketing: Build an email list and send targeted campaigns to nurture leads. - Search engine optimization (SEO): Optimize your website to rank higher in organic search results. - Local SEO: Focus on local search optimization to attract nearby customers. - Influencer partnerships: Collaborate with micro-influencers for affordable brand promotion. These strategies often require more time investment than financial investment, making them ideal for small businesses.