There are a lot of automated tools to help you with this, but the platforms have gone to great lengths to break or neuter them. Musk's attack on Twitter's legendarily flexible and powerful API killed every automation tool that might help with this. I was lucky enough to have a reader - #LorenKohnfelder - who coded me some python scripts that automate much of the process, but POSSE remains a very labor-intensive and error-prone methodology:
https://pluralistic.net/2021/01/13/two-decades/#hfbd
33/