If you do not understand every single clause of that apartment lease then do not sign it until you do understand it. If necessary and if possible, request assistance in interpreting the lease from a trusted source such as a knowledgeable friend or family member or employer or professional, or anyone else who can understand it and explain it to you. If necessary get legal advice. It can cost additional funds if you do not qualify for free legal assistance, but that additional cost might save you a ton of money and save you a ton of heartache and aggravation down the road.
Once you narrow your search for apartments down to apts which suit your needs and desires you must be well organized & well prepared for your visits to the apartment complexes. When inspecting the rental premises be on the alert for unsafe conditions, excessive noise from traffic or playgrounds or neighbors. Visit the apartment building at night as well as the daytime hours. This will give you a more comprehensive understanding of the total space you will be residing in.
As a potential investor for such apartment home, you may want to know of the extra facilities that your future home boasts of. Is there swimming pool in the complex? Some expect to see hot tubs and saunas on the site. Others prefer that there will be fitness center in the apartment building, which they can join.