A must-have strategy for staying in a hotel

A must-have strategy for staying in a hotel.

1, swipe the room card and listen for noise before entering the door.

2. Check whether there is extra rubbish in the room. If so, apply for a room change immediately.

Never use a hot kettle to boil water.

4, boil a pot of water, flush the toilet seat, faucet switch, door handle! !