Lighting is an important issue especially if you will need to access the facility at night. It would be a good idea for you to drive by the facility in the evening to see how well it is lighted. If the property had indoor corridors, ask how the lights work. Some may be on timers that allow a limited amount of time. On site manager .
Some properties have an on site manager that live on the property.
This can be an added benefit to you to have someone there at night, especially if you need access to your unit after hours. If something does happen, the on site manager can respond much quicker.