But as a buyer to build a reputation I need to buy multiple things , this means I need to buy drugs from X, a gun from Y, some forbidden magazines from Z, my a

But as a buyer to build a reputation I need to buy multiple things , this means I need to buy drugs from X, a gun from Y, some forbidden magazines from Z, my anonymity drops with each purchase. If I would do heavy illegal things I would not reuse same identity. I doubt that the mafia on the dark web have real reviews and fair escrows.