01 Keep the backup funded before you need it
The plan always sounds solid at seven in the evening. Someone's driving, someone's getting a lift, the Uber app is on someone's phone. Then midnight happens — the driver gets a headache and bails, the app shows surge pricing at three times the normal rate, and the person who was "definitely getting a lift" can't remember whose car they were meant to be in.
This is where the twenty wins.
Keep a small amount of cash — twenty dollars, twenty pounds, whatever buys a ride in your city — stashed somewhere you won't spend it: inside a phone case, folded behind your ID, tucked in a shoe on a going-out night. Not your main wallet, because that money has a habit of becoming another round. Separate. Untouchable. Boring on purpose.
The logic is simple: a ride-share at 1 a.m. in the rain will cost more than you expect, the apps can be slow, and the person negotiating surge pricing while standing outside is not making their best decisions. If you have cash on you, you have options — a cab, a trusted driver, a top-up when the app balance runs short. Options are what get you home.
The habit works best as a group norm. Tell your friends, put it in the group chat plan when you're sorting the night, make it something everyone does rather than a quirk of the one organised person in the crew. When it's everyone's habit, nobody feels like the anxious one. You're just people who get home.
One more thing: this isn't only about money. The physical act of setting aside that note — before you leave the house, before the first drink — is a small commitment to the end of the night. It's the moment you decide, quietly and practically, that whatever happens between now and closing time, the ride home is already handled.
The night can be spontaneous. The ride home shouldn't be.