have (one's) ducks in a row
To be well-organized, prepared, and up-to-date. We need to have our ducks in a row to ensure that there are no problems at home while we're gone on our trip. Before you make those accusations, you better have your ducks in a row.
get/have (all) your ˌducks in a ˈrow
(especially American English) have made all the preparations needed to do something; be well organized: We need to get all our ducks in a row before beginning work on the project.