Many people choose to rent in Spain when they arrive rather than buying as they want to get an idea of the area before making a long term commitment. So it is a good idea to understand how the rental market in Spain works and what to expect from a Spanish rental contract as otherwise you could end-up spending a lot more than you bargained for .
There are a number of different mistakes that people tend to make when renting a property in Spain and Consumer Eroski provide a helpful guide which highlights those mistakes and provides advice on how to avoid making them:
Read the full article in Spain:
or in English (Google Translator Version):