Make sure to clean up the room, bed sheet & Toilet.
Do not kick out if someone still having breakfast, the time limit for breakfast is 10 AM, NEVER tell your guest at 9.35 AM to quick finish their breakfast.
There is no common place that we can sitting in open space.
Apparently, my room view was prostitution area, I didn't know this until in the next morning, no wonder there were a lot of noise at night.