Rt50

[grimlord]

help please
1d snake starts hissing on top of kestrel(9) ???????E?
2d Bill's daughter raises main point of cake(7,3) ???????/B?N
12a lucrative as my one? (5,8) ?????-??I???N?
4d travel back hugged by crazy complaisant ringer (13) ?A?P???L?G?S?
thanks!

[Lie-in King]

1d Windhover (kestrel) - 'wind' (snake) + 'h(issing)' + 'over' (on)
2d Chelsea (Clinton) bun
12a Money-spinning - anag 'my one' (spun)
4d Campanologist - 'go' (travel, back, in) anag 'complaisant'

[pixie373]

12 money spinning?
4 campanologists

[grimlord]

brilliant,thanks both