Learned the hard way that keeping a spare pair of socks in the glovebox saves your whole mood when it's pissing down and you've stepped in a puddle at the third drop — why does nobody tell you that at orientation? Also, bribe the security guards at the industrial estates with a bag of Haribo, they'll let you park where the sign says you can't. What's the one thing you wish someone had told you before your first shift? 🚐