2) No one will know your worth,which means you are saved from preying eye or criminals who can rob you of your cash in your home.
You haven't heard of hackers? Of course if you have millions of fund, you wouldn't put it where it can be stolen right? Or maybe not. Exchanges and people are getting hacked.
To be sincere with you mate, those who have gotten themselves into hacks are those who took security with levity and give the hackers the chance to get their funds. The hacks we have heard before now where done by internal members thats, there where elements of the internal breach of security, so, keeping your funds off online wallet be rest assured that your funds ate secure.