My mom says "Never wear anything but a suit to a funeral or a wedding."

is this correct punctuation?

No. What's missing?

Is a comma missing?

Yes. Where will you put the comma?

My mom says, "Never wear anything but a suit to a funeral or a wedding." is this it?

That's right.

Oh I see Thanks!

I had a thought should never be lower case or is that coreect

No. The beginning of a quoted sentence is capitalized.

Yes, the punctuation in the sentence "Never wear anything but a suit to a funeral or a wedding" is correct. It is a simple statement without any direct quotations or complex clauses, so it does not require any additional punctuation marks.