If you want to live Montevideo,Uruguay for a while and see if the the water is all clear for a longer stay then you might want to have you own personal space where you could stay for long periods without paying so much like renting a house or an apartment.An forum thread on the link below discusses the things around renting as apartment, especially those under the no-so-expensive category.
Do check it out, on the link below.
Link: Renting an Apartment??; Accommodations, Housing and Rea