Digital marketing plan can vary widely depending on the scope of services, the level of expertise, the location of the agency, and the specific needs of the client. Different agencies might offer different pricing models, such as one-time project-based pricing or ongoing retainer-based pricing. Webzolve Marketing offers a range of digital marketing plan services, including search engine optimization (SEO), pay-per-click (PPC) advertising, social media marketing, content marketing, email marketing, web design, and more. The more digital marketing plan included in the plan, the higher the cost is likely to be.