Pakistan

Due to security concerns it's common local police forces will try to 'escort' you around. In reality they will nag you to just go back to your hotel so they can play on their phones. It's free but a highly annoying 'service' that you can't opt out of once they start following you

Getting cash is hard, the only bank that reliably worked for me was Standard Charter

Islamabad airport has no SIM services and a virtually non existent ATM, so bring cash if arriving here

Accept people offering you food and services, if you engage them long enough you'll usually find a way to repay them, it's okay to say yes

Make sure to visit in the warmer months, Skardu and Gilget close in the winter and they're arguably the best places to be as a tourist

Cross into Afghanistan at the Torkham border. it frequently closes without notice and is hell to navigate, taking hours