a. The basic step is to learn how to secure my funds and I have no issue with keeping my wallet. MSTR might have a good management who is pro-Bitcoin but humans cannot be totally trusted because they can change. It will be better to invest directly in Bitcoin and have peace of mind than to depend on a third party that can mismanage my money.

b. MSTR shares will always rise and fall with the price of Bitcoin. Although the company might make a profit from investing in other sectors there is no guarantee that it will generate more profit than Bitcoin.

a. Some people claim that they prefer investing in Bitcoin through third parties because they can't keep their keys or protect their wallets. In that case, Investing through MSTR might be safer for them. But I will always prefer to be in absolute control of my coins because third parties cannot be trusted.