1) If you buy livestock over the web, what happens if you are out
(at work, say) when the courier arrives? Do they leave the fish (or
whatever) or do they take it away if they can't get an answer?
Usually they are sent by Parcle force or specialist delivery company with next day delivery it's it organised for a day when some will be home, and live fish will always be sent with a grrenatee on befor 1pm (some offer 11am). if not recived they will go back to depo where you then have to collect them.
2) If they do leave the parcel unattended (or with a neighbour), how long will the livestock last in the parcel?
If the fish are packed well (1 fish per bag) that can survive 2-3 days happily in a bag and by requesting something like ammo lock to be added this can be pushed to 5-8 days depending on the fish.
If it's cold the seller should also use heat packs, i use 40 houre packs just incase thy do get lost or something.
I've never lost a fish when posting 