Fuck that. Meet in person. Meet in a public parking lot. See money. Then go back to your hotel get the product and come back to do the exchange.
wear nitrile gloves. mylar bags. don't be cheap. pay someone to drop off. use Anon debit to print at home the labels. don't be lazy
I wanted to know this same thing. I need to ship my boy some subs cross country and want to know the best way.