Opting for furnished apartments in Madrid provides the dual advantages of time and cost-effectiveness. With furniture and appliances already in place, you can eliminate the time-consuming process of hunting for suitable items, arranging delivery, and setting them up. This convenience is particularly beneficial for busy professionals or those on a tight schedule.

Moreover, furnished apartments offer significant monetary savings. The upfront costs associated with buying or renting furniture are mitigated, and you are spared from the long-term financial commitment that comes with furniture ownership. 

Additionally, Madrid's furnished apartments are often located in desirable areas, close to amenities and public transport - giving you further cost and time efficiencies. With all your needs catered for, you can focus on exploring the city and enjoying your stay. 

In summary, choosing a furnished apartment in Madrid is a savvy decision that saves you both time and money, letting you enjoy the city to the fullest without the hassle and expense of furnishing your own place.