Refine is easy enough these days that making it a little easier won't make a difference.
Cheap ore prices
2x Life Skill EXP potions
Personally, I think they should remove the requirements to fail completely and make the CP related requirements for WM less grindy. I have told new people in my guild, "WM, Refine, all else," so many times I stopped caring if they take my advice. I'd love to stop chanting that mantra.