In my experience, this one's a good choice: [no links, apparrently]
Google 'speed autoclicker', site should be fabi.me - it's a solid one, I think.
I agree, buuut. (Always with the butts.) Since they give rubies generously with daily login bonus and events like the halloween one, it actually isn't hard to save some up. At least in my experience. Doesn't mean that 30 bucks isn't a f***ed up relation, though.
I think they might attempt - with the costumes and maybe stuff that's still coming - to bleed out those resources they give. Ingame money obviously isn't a problem, but collectibles, rubies and shares are. For the first one, their solution was "we'll add new ones with new girls", which isn't the best way to go about it, but hey. For the last one, it was adding nine new decorations which cannot be maxed. These costumes seem to be a way to lower the overall ruby count?
If I'm right, though, I'd be more interested in a reasonable way to use those skill points I got lying around.
I think they're just trying to 'correct' their generous economy. (Hopefully, they don't overdo it and turn this thing into just another cash grab.)