(No, actually, it was started by 12-year-old boys on TikTok.) And just about the best way to do it as an adult is with fancy laundry detergents and dryer sheets inspired by expensive perfumes.

This copy is for your personal, non-commercial use only. Distribution and use of this material are governed by our Subscriber Agreement and by copyright law. For non-personal use or to order ...

History teaches that financial complexity always creeps upward. Lately that trend has reached investor-friendly exchange-traded funds.