In AC Gold, you were able to add multiple instances of a shipping method. For example you could use the same gateway shipping method and name in differently. That way the merchant could add a different handling charge and assign different zones to the same gateway shipping method. See images below
2022-04-11_9-29-35.png (28kb) downloaded 4 time(s).
2022-04-11_9-29-15.png (25kb) downloaded 4 time(s).

I do realize that you can edit a method to change the name, add surcharge, etc. The issue is that once you have configured a method, it disappears from the list of methods you can add. For example, if you have added Fedex Ground Home, it is no longer listed in the methods that show with an Add button.
I think it is this code in the shippingcontroller that is hiding them:
foreach (ListItem item in servicesArray)
{
bool isConfigured = configuredMethods.Where(x => x.ShipGatewayId == shipGateway.Id && x.ServiceCode.Equals(item.Value)).Count() > 0;
if (!isConfigured)
{
shipMethods.Add(new ProviderShipMethodsModel.ShipMethodModel() { IsAssociated = false, Name = item.Text, ServiceCode = item.Value });
}
}

This site had a few old duplicate methods that carried over so I'm going to test and make sure they still work OK at checkout. Did AC change the code at checkout so that duplicate methods(ServiceCode)s won't work?
Thanks

OK, Thanks. You have to add a method that is not the one you want, then change it to what you want for the second method. I don't know if merchants are going to figure that out easily.