3. It requires your own effort to protect your Bitcoin.
I think keeping our own money with our own security is better than giving our money to a third party. Maybe you can get a little benefit from a third party, but it won't be greater than what the third party gets from managing the money you put with them.
By owning Bitcoin, you have complete control over the money you own, there is no interference from any party. Never be fooled by banking systems that are made to look easy and online.
Not your keys, not your coins, as simple as that. If you let the third party manage your coins, you are giving them the permission to own your coins later on, so as much as possible keep your coins in your own wallet, and be cautious and extra careful in making transactions so that it’s safety and security will never be at risk. Bitcoin is a highly valuable asset, so you need to hold it tightly and give its best protection so the hacking and scamming will always be prevented.