You've ruled out other possible causes for your dog's home alone behavior and feel fairly certain that your dog is struggling with separation anxiety- well done! Where do you go from here?
While recognizing that your dog suffers from separation anxiety most likely feels overwhelming, it is a huge step towards helping your dog overcome it!
Each dog and the circumstances they find themselves in present unique factors to take into account with your overall training plan. Despite this, the basics of helping your dog overcome separation anxiety are pretty standard.
Stay tuned for more discussions on separation-related behaviors :)