Are flatpaks not all sandboxed? I thought the concept of flatpak and snap was that it offered sandboxing in a way what was never implemented to normal repo packages
I've had a Dell Precision 5510 and now I'm using a Precision 5520. Ive run Ubuntu, but am currently running Fedora 29 on the 5520.
Fantastic machine. Best Linux on laptop experience I've ever had.
If you're not opposed to non-free software and like quality products, I highly recommend you check out Crossover[0]. It allows you to run Microsoft Office on your linux machine.