The current options to change this are preset as below. Does anyone know how to alter these? Our store deals in handmade items that have a lead in time of weeks not days. 5+ days infers a shorter availability time that we prefer.
Please share your site URL and screenshot.
So that I can check and let you know the exact solution here.
If you are unable to find a native solution within Shopify, our app might be able to assist you. Store Pickup + Delivery offers a preparation time that can be set as weeks as well as in individual product preparation times and a host of other features. We offer a 14-day free trial and onboarding sessions with one of the team, to get you set up as quickly as possible.
If you have any specific questions, you can reach us at firstname.lastname@example.org.
Wishing you all the best,