WTD: Cheap rear wheel for turbo and 9spd cassette

Thinking about the bad weather that we're bound to be getting soon, I'm looking for a spare wheel for use on the turbo (so I can minimise tyre changing faff)

Anyone got a rear wheel they'd be up for selling cheap? shimano/sram freehub, just needs to be in good enough nick to use on a trainer.

For the same reason if anyone has a spare 9spd shimano/sram cassette they'd be willing to part with I'd be interested, not fussed about gearing.

Cheers!