What are the 'relative' advantages of the different methods? [=what are the advantages of each method compared to the others?]
The car might seem expensive, but 'it's all relative'. [=the car is expensive compared to some cars but not to other cars]
I'm a 'relative' newcomer to the area. [=I am not really new to the area but I am more of a newcomer than many people]
(..) three hours later? Wouldn't he be afraid of being caught? He came home for his knife. It's not nice to leave knives in people's chests. Yeah, especially relatives'. I don't see anything funny about it. The boy knew the knife could be identified. - He had to get it before the police did. (..)1957 12 Angry Men