Every hobby I've had has been worth it, drones being the latest. I spent hundreds of thousands on my hobbies, always going over the top, never earned a penny from them but continue to enjoy and cherish every moment with them.
Although I live in the US, I frequently travel across the border (less than a mile away) to BC Canada, I have my SFOC-RPAS for Canada and also passed/have my UAS Remote Pilot Open Category - [UAS-OPEN-A1+A3] certificate should I travel to an EU...
As mentioned in the previous posts. 4G will work on your Mavic 4 Pro if your Drone is on the 0.0000 Firmware. If it is updated, you can downgrade the drone FW using drone hacks app for windows and download the FW from Dank downloader site. The...