Trophy and Achievement hunters, When do you look at a guide?

[aviggo77]

i aint a trophy hunter.but a completionist hunter.i try to make the most % out of a game that i love.(like bully is 100%,sleeping dogs is near 100,guacamelee i am trying to do more etc).i never look at a guide for collectables but for hard parts in the main story.i prefer ign wiki.