Between your bad experiences and the fact that your switch is updated, and most likely would require a modchip, I recommend selling it and getting a Steam Deck instead.

Basically, and I’m p sure someone here can ackshually me if needed, there’s three “unlock groups”. All modern and even mid-era Switches comprise the first group, which requires a modchip (hardware intervention): it’s not quick, not cheap, not safe, not anything. That said once it’s installed and working your Switch is jailbroken forever.

Of the remaining ones, group two is can be jailbroken via a hardware injector (a rig that goees in the joycon slot) - that’s by far the easiest, safest and cheapest method if you happen to be that lucky but remember, we’re talking old Switches here. Like, almost 3DS old.

And the remaining group can still be jailbroken via software only, but the entrypoint is volatile (so if you reboot the console you have to unlock it again) and depends on an internet connection that is risky because if your Switch manages to connect to Nintendon’t servers’s, you’re SOL as it will require upgrading the firmware. The method is called either Caffeine or Pegascape I think. To make it worse the original Pegascape project is dead so unless you host your own local fake DNS to redirect the wifi portal and your own Pegascape server, you’d have to look for someone who is running a third-party Pegascape entrypoint that you are willing to trust.

In comparison, a Steam Deck is basically Linux with a coat of paint, so you can just pkg install retroarch (or whchever other method to install Retroarch) and get access to all the consoles that supports. Forever.