Lumia 730 is worth the cost, but some times disappoints the users with applications.
Display Quality
Screen Size
Resolution
Sound
these are best in the phone
Neg:-
While taking many small videos for a min or two, it freezes completely. only restart can help to get inside the Phone
Freezes while pressing answering button in the call and have to restart the phone to use again
Points mentioned above does not happen every time, once in a blue moon, still expect this not to happen in this fast growing world.