1. Never sleep on overpasses, streets, internet cafes, or parks.

2. If you need to stay overnight, go to the airport terminal. There are not only places to sleep, but also hot water, phone charging, and even Wi-Fi available.

3. After waking up, go directly to McDonald's, find a half-finished coffee cup from someone else, and then go to the counter for unlimited refills.

4. At noon, look for a hotel nearby; many rooms have their doors left open after checkout, so you can find an empty room to take a hot shower.

5. In the afternoon, you can go to Haidilao for free snacks, and in the evening, go to Hema supermarket for unlimited tastings. When the staff throw away unsold bread, you can just pack it up to take away.

6. If you're hungry, go to KFC and eat leftover burgers, fries, cola, and chicken nuggets from others.