Jonnie 
welcome sorry if this offends you you havent a chance in hell i appled to get a visit visa for my fiancee and i showed more than what you get plus other members of my familey in support too you will need to show after any bills you may payout anough money left over to be able to support her and that would be more than what single benifet you get ie single £62 per week carer allowence was over £54 look it this way what you going to do if she dont get any work ive been on dhss and i strugled on the £62 they gave me and i dont smoke/ drink am not having a go at you but you will be better her get a working visa were you not the one who needs to sponcer her in uk look on ukba site at top under visa one she needs ielts english language test then spouse visa approx £800 then air tickets £500 return pp then price wedding this is only a small part of the cost good luck
