2) The article suggests backing up to the Google, MS, Apple etc cloud services before hitting the border. This is poor advice, especially for the at-risk. The process for being awarded a warrant to search these services is quite streamlined on US soil.
If you do not have the luxury of a self-hosted or community-run cloud, then it's saner to ZIP up crucial data and encrypt the archive. Then, upload that to your BigTech cloud of choice. 7zip, FossZIP and WinZip all use AES-256, strong encryption