No I don't just mean silverware, I mean having large numbers of fans watching big games etc, which normally means being higher up the league. If you want to buy a club to get to the Championship or Premiership, you'd be better picking one with a history of larger crowds.
I doubt it.
They've just had a couple of promotions, winning for fun - that's attractive to fans. But if you wanted to buy a club and build it for the Championship or beyond, there are loads of other clubs with a history of support that would trounce Crawley's (and I mean no offence to Crawley...