I prefer trying to get things myself unless I'm really desperate, an example would be if it's the last item I need to complete a display. That's the only time I get impatient. I have a wishlist saved on moridb but I only publicise it when I feel like trading for a change of pace.
I get stuff by myself as much as possible, but all the new stuff... would rather trade for. some of it isn't even attainable without buying cards or trading anyway(especially Sanrio), so.........
there were a few orderables I ended up getting from someone recently because I just could NOT find them.
I've never traded, mostly because I never know anybody and the idea of doing it online makes me all nervous--not because it's the internet, but because I'm socially incompetent. But I'm reaching that tricky stage where I've got like three gaps left in the museum and haven't had a new fossil in two weeks, so I might end up braving it.