* The theater tickets (ranging in price from three dollars to twelve) will go on sale Friday.
* Edna is a troublesome guest because she's allergic to all my favorite snacks (like chocolate, popcorn, and potato chips) and complains because I don't like what she prefers to eat.
The dash (composed of two typed hyphens) has become a strong punctuation mark with most commercial writers and has largely replaced the parenthesis.
If you delete the parenthetical expressions, the sentences make sense and still convey the information you want.
I use parentheses to include information
that isn't vital for the intended meaning.