In which case the manufacturer or wholesaler must be ready to handle orders sent to them electronically. A team, sharing costs, risks, and profits, and serving the customer. I have a list of about 70 delivery companies you can use, some in the UK, some worldwide. Best is your own van if you can, but failing that choose one that can leave the parcel in a convenient location if the customer is not in to receive it. One organisation is able to divert to the local sub-postoffice and this sounds good from all points of view.
Life is nothing without a grin.