When it comes to having resources or tools available, there are several synonyms for the phrase "have at one's disposal." One alternative is "have in one's possession," indicating that one has physical ownership or control over the resources. Another option is "have access to," implying the ability to obtain or use the resources as needed. "Be equipped with" is a phrase suggesting readiness or preparation for a task. "Have available" is a broader term indicating that the resources are present and can be used as required. All of these synonyms convey the idea that someone has resources or tools available for use, providing flexibility and empowerment in various contexts.