I am in the process of buying my first flat and would like to know what I must check during my visits. Should I pay attention to layout, construction, ventilation, parking, maintenance, or location when I am checking out the available Flats for Sale in Sector 89 Gurgaon (https://www.reeltor.com/flats-for-sale-in-sector-89-gurgaon)? Also, I would like to know how much everything will cost me before booking one.