Every person you swap hardware with is a chain leading back to you.
It also becomes tricky to convince someone to lend you their phone in my country since ID cards are required to register any SIM cards.
As someone else above said, adding more people makes the rope (your opsec) weaker.
People generally can't be trusted once their self-preservation instinct kicks in. How sure are you the other guy you trusted enough to put them in your opsec isn't going to sing on you when their balls are gently fondled by LE agents.
It also becomes tricky to convince someone to lend you their phone in my country since ID cards are required to register any SIM cards.
As someone else above said, adding more people makes the rope (your opsec) weaker.
People generally can't be trusted once their self-preservation instinct kicks in. How sure are you the other guy you trusted enough to put them in your opsec isn't going to sing on you when their balls are gently fondled by LE agents.