Ask what tools are on board.
Is there a working autopilot?
Why a bucket? (We have a couple on board, but wondering why it made your list. For bailing?)
Tools, yes of course. I have a few in my pack but they should be on the list at least to ask.
Ah yes a bucket. You reminded me of another essential. A bailing sponge.
With a bucket and bailing sponge I can:
Bail the bilge low enough to find out what is going on or to get to something below the level of the pump pickup which in some boat can be pretty high.
Rinse the deck of mud after anchoring
Wash the sole after a kitchen mishap
Rinse the cockpit after chips and dip.
Do dishes, or laundry
Water repository to check the raw water intake
But the main reason is:
I have toilet in case the the head is plugged up.
Hopefully this last use is last or a dedicated bucket is used.
In short for the $2 why would you not have one or two.
With new people on new boats some of the very cheap things that are on any boat in use are missing. Buckets are one of these things.