To do something wrong or illegal.
No, a man cannot commit adultery with his wife. In order to be adultery, it has to be with a woman other than your wife.
No crime at all.
True
It's called investing.
(1.1) You commit crimes (of various types).(1.2) Or you commit money/time/energy etc to something in order to accomplish something.(2.1) You do deeds. A deed is simply something you do. It can be a good deed, it can be a bad deed.You can also commit evil deeds.If you do a Google search on commit deeds (meaning 1.1 above) you will see the negative tone (a badness) implicit in the word 'commit'.
True
intellectual property theft
We would rather not advise people about how to commit suicide. Perhaps you could tell us why you would wish to do so, and we might have some useful advice for you.
yes commit is a verb :) I commit this answer.
Your question needs contain the names of whoever you are talking about, in order for anyone to answer the question.
If one would like to commit such risky behavior there thousands of sites willing to sell it to you.
Commit