Blogger custom domain displays blank white page

You changed to a custom domain and now Blogger is displaying a blank white page? My experience: something is wrong with the Blogger template. Here's how to fix it:

1. Change back to Blogger hosting from Settings tab --> Publishing.
2. Go to Blogger Template Designer and change your template to something new. You may want to back up your current template first!
3. Check the preview to make sure the changes look ok.
4. Save.
5. Do not change back to custom domain hosting yet! Wait a bit.
6. Check that your blog is displayed properly by Blogger.
7. Now change back to your custom domain. Wait a bit more. Maybe an hour.
8. Your custom domain should be displaying your new template.