This is a good budget choice for someone who's not too demanding. They have rooms from 40-60 pesos (US$14-21). The cheaper rooms have a fan instead of air-conditioning and are a bit smaller. They all have cable TV.
This hotel is located in a normal residential neighborhood and gives you a feel of where normal people live and work. The restaurants in this area are also cheaper than those in the Recoleta tourist area. There's a gym just a few doors down on Gallo that's only 3 pesos a day to use!