Bedtime routine tips for toddlers and preschoolers?

Bedtime for toddlers and preschoolers can be a challenge, and I know many parents have nightly battles or endless requests for “just one more bedtime story.” I think it would be so helpful for parents facing these struggles to hear from others—what are your best toddler bedtime tips or preschooler bedtime routines that actually work? How do you make little kid bedtime easier (and a little less chaotic) at your house?