Originally Posted by Drip

Well, for the 6* girls , if you happen to get a double very early in your career, then there's something to say to *not* combine them at first, level one normally, but level the other to 30 not evolved (relatively cheap to do), and only combine her when your other girls start outperforming her.

Pretty much this, 4* girls in time will drop out a little, no point in levelling 2, maybe real early levelling up to 15/20 and then waiitng for them to be out performed....heck I've been playing since 1st event and I still have a 3* in my lists - not for much longer but lotus is pretty good