At hotels, housekeepers are the biggest and, arguably, the most important department. Here's a behind-the-scenes look at their hard work.

Elements of an Effective Housekeeping Plan Housekeeping is the practice of maintaining a clean, clutter-free, organized work site that eliminates or greatly reduces the risk of a slip, trip, or fall.

No previous housekeeping experience is necessary, but the job advert stresses the need for a "proactive approach" — as well as a willingness to work for the minimum wage.

How much to tip hotel housekeeping You can find tipping guides for housekeeping and other hotel services from organizations like the American Hotel and Lodging Association and Fair Hotel.