Running a gel pack returns programme that customers actually use
Two schemes, 8% versus 61% return rate: what friction costs, why collection on the next delivery decides the programme, and the economics per route.
Last-mile e-grocery: gel packs at the doorstep hand-off
The doorstep is hotter than the van. How to size gel packs for real dwell times, place them for a sun-facing step, and cut summer melt complaints by route.
