Let me know if you do. It's worth a quid :)
All the big online ones specifically say 'singles only' on special markets. I suppose it's probably because running up a massive win is relatively easy, given the number of seats.
Yes, they're not really independent events (unlike distinct football matches) so multipliers don't make sense for the bookies.
@Dramatic_Hammer started
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Let me know if you do. It's worth a quid :)