Stay in residence complex (like apartment) must pass a gate that always guarded by security 24 hours. They will open the gate to come in and come out. For a visitor, you have to ask permission. The security will ask your name and whom you will visit, then they will make a call to a person that you are headed for. If the person is be in a place, they will allow you inside or maybe that person can pick you up at the gate.
Looking for a place to stay in Colombia was a little bit amusing. A lot of place to stay with condition and facilities. For example you can choose a small house or big house in complex area or even in apartment. Stay with friend college or with house-parent or with a big family. They maybe have private or share bath room, TV (in your room or living room), but wifi is a must for internet connection. Some of them provide meals and laundry. Some others allow us to use the kicthen. Depend on the condition.
This is my first homestay, in a complex area which is guarded by security. The place is in the middle of city, 10 minutes walk distance to bus stop (transmilenio). My room was roomy with wifi and share bath room. Served meals twice a day (breakfast+dinner) and i can use the kitchen. The cost was taken 1,216mil for a month. A little bit expensive for me. Stayed with a granny and a little bird, remind me to carton aboint tweety bird and a granny. But too bad no sylvester around 😉