OMG! Ugh grrrrrrr, wt... How is an average person going to ever become "bitcoiners"?

I just recently aquired my first physical device, a bitkey. Haven't sat down to set it up yet. So before I do... Could someone orient me... Where does this fit in the whole scheme? 
And the. Someone mentioned utxo per utxo or something of that sort... How does that apply and can it be accommodated by one physical device? 

All the gentle encouraging support, appreciated. 🙏🏻🌹🕊️🧿