There are those too. You can be more conventional and go to one of the hotels and rent a room, or find a cheap boarding house and stay for a while. Like any neighborhood, there are police officers. Perhaps you will be arrested, go to jail and even go to trial. Like life, Reality Street has its dangers.
Danger can come in many forms and from many directions including accidents and disease.
Some dangers are merely inconvenient, such as wandering into the wrong part of the park and getting sprayed by a skunk and having to deal with that or leave the game for the day, or tripping on a manhole cover and dropping your money. If you walk down by the river, be careful you don't walk out onto a dock and slip into the river. The game is over for you. There are things to learn as well. Go to the community health center, be tested, and learn about safe sex.