This is purely a matter of preference. Skaters will tend to ride trucks loose if they enjoy the ease of movement that comes with loose trucks. Whereas others will prefer the stability that comes with tighter setups. Ultimately, there is no correct or incorrect way to set up your trucks. However, if you are a beginner, we would advise that you start off relatively tight to make learning the basics easier. Then as time rolls on, loosen them up and become more comfortable with a more loosy-goosy setup.