THANK you all for your detailed responses!
I think using this service would make the whole experience of arrival/departure easier and smoother for my mother. She cannot stand for long periods of time and I don't want her lifting luggage. I'm so excited to be able to have the experience of a trip to Negril WITH HER!!! I can just picture her smiling when she sees the beach, or when interacting with fellow happy vacationers and Negril residents!