When do you consider using dextromethorphan–bupropion for the treatment of depression?

In which clinical situations do you find it most useful? How do you decide between dextromethorphan–bupropion (Auvelity) and bupropion alone? What barriers have you encountered (e.g., cost, insurance coverage, or tolerability)? Have you observed differences in onset of action or outcomes compared to other antidepressants?