Very likely 40-45.

If angel konan goes on like edo tobirama in events then the reply is yes, since you cannot expect any soon to get a reduction of her price big enough to let you think to wait, but if follows the path of shisui then the reply is that is better to wait. Hard to say right now. What's sure is the fact the event is together with fukurokumaru deal so is not bad to spend 10k coupons this event to get some free things back too ()45fragments of deidara is not bad if you do not own him and if you do not get him in the rolls).