Not unless it introduces a new clause.
Yes, a comma should be placed before "as well as" when it is used to introduce non-essential information. If "as well as" is essential to the meaning of the sentence, then a comma is not necessary.
Yes, typically when introducing an additional element or clause in a sentence, a comma should be placed after the phrase "as well as." For example, "I enjoy hiking, swimming, as well as playing tennis."
No.
Yes, you should put a comma before "as" when it is used as a conjunction in a sentence.
No.
Yes, you should put a comma after "today" in the phrase "as of today" to indicate that the phrase is specifying the present moment.
only if its someone talking with pauses like: "and, well, i have..." when its just "we went to the mall and i got..." then no u need no comma unless theres a short pause.
Unlikely, but depends on context.
You should put a comma before a person name if you're talking directly to them. ex- Please come here,Lily.
If you were saying this, would you pause before you said 'as well'? If so, put a comma. If not, don't. If this is the whole sentence, a comma is probably unnecessary, as there is not really any possibility of misunderstanding. But if it is part of a longer sentence, read through the whole thing and consider where the pauses would naturally fall.
Yes, when naming a state in a sentence, a comma should be placed after the city and before the state. For example: "I live in Chicago, Illinois."
It depends on what you're writing. Here are 2 examples, one with a comma before and one with a comma after. Anyway, I didn't want to go. She can't help you, anyway.