In some countries, eBay or craigslist was never a thing. In NZ we have our local version of eBay but the success fees have gotten so ridiculously high that FB marketplace is slowly becoming the only option.
I encourage you to listen to the 4 part series Elon Musk Unmasked [1] from Tech won't save us.
His motivations are definitely not for the betterment of the average person.
I use Firefox sync between all my devices including mobiles Android and iPhone, plus EndeavourOS, popOS and MacOs.
In addition to that I use the tabs stash extension which also syncs all stashes between devices, though I only use that on the desktops/laptops
Since no one mentioned it yet, I quite like Endeavour OS the i3 flavour. You get all the Arch goodies with a straightforward installer. And I use nix + yay for package management.
I'm surprised no one mentioned it, but smooshing up a soft avocado mixing it with a small amount of Marmite then spreading it on toast is godlike. Top it with a poached egg and it's perfection.