When dangling, watch your participles. Do not use a foreign term when there is an adequate English quid pro quo. If you must use a foreign term, it is derigor to spell it correctly. It behooves the writer to avoid archaic expressions. Avoid cliches like the plague.
Mixed metaphors are a pain in the rump and ought to be thrown out the window.
Placing a comma between subject and predicate, is not correct. Parenthetical words however should be enclosed in commas. Don't use tautological, repetitive or redundant statements. Remember to never split an infinitive. The passive voice shouldn't be used.