Tracked shipments sometimes require a signature, which is a nuisance for people who are rarely home during the day. A missed delivery often means a trip to the depot, and some parcels are returned to sender after a set number of days. The delivery options explained at https://budweedseeds.com let me see whether my chosen method needed a signature before paying. Sending the parcel to a work address is possible, although that is not a choice everyone is comfortable with.