Is cloud management a hard thing for the startups?

When you start a new project most probably you go with one of the well-known cloud providers (AWS, Azure, GCP, DO etc). But is it difficult to build the environment and mange it on a daily basis? Do startups need to hire DevOps/CloudOps pros to handle these from the day one? Please share how do you really solve this? (headcount? managed services? no-code apps? other)