You should consider a few factors when choosing a digital marketing agency for your business. First, look at their experience in your industry and their track record of success with similar businesses. Also, consider their approach to communication and collaboration, their pricing and contract terms, and their team's expertise and qualifications.

The cost of digital marketing services can vary depending on a range of factors, such as the scope of services, the level of expertise required, and the location of the agency. Generally, you can expect to pay a monthly retainer fee, which can range from a few thousand dollars to tens of thousands of dollars per month, depending on the agency and the services required.

The timeline for seeing results from digital marketing efforts can vary depending on the type of service and the specific goals of the campaign. Some strategies, such as PPC advertising, can yield results quickly, while others, like SEO, may take several months to see significant improvement. Ultimately, the success of a digital marketing campaign depends on many factors, including the competitiveness of the market, the quality of the campaign, and the level of investment.

When choosing the best digital marketing agency, it's important to consider several factors, including their experience and expertise in your industry, their track record of success, their range of services, their communication and reporting processes, and their overall approach to customer service and support. You should also take into account their pricing and whether it aligns with your budget and goals. Additionally, it's a good idea to read reviews and testimonials from previous clients to get a better sense of their reputation and level of customer satisfaction.