It depends on the context. In most notifications there is no punctuation; see the very bottom of this page for an example.
No, a comma does not go before the word 'in'.
A comma typically goes before "so" when it is used at the beginning of a sentence to indicate a reason or result. However, when "so" is used as a conjunction in the middle of a sentence, it does not usually need a comma before it.
It could go either ways?
A comma is generally not needed before "because" in a sentence. However, if "because" is introducing a dependent clause, a comma can be used after it to separate it from the main clause.
Not necessarily. There is no word in English that requires a comma before or after it.
no
after
After
No.
Before
The comma typically goes before the parentheses if it is part of the main sentence. If the parentheses contain a complete sentence, the period or other punctuation mark will typically go inside the parentheses.
A comma typically goes before the word "so" when it is used to introduce a clause or indicate a relationship between two clauses. However, in some cases, the comma may be omitted if the sentence is brief and the meaning clear without it.