The price is not totally out, but it's slightly above the market, I believe the top hack for 30 would be more enjoyable. At least for me that could not spend more = p
Anyway, the invitation model is always safer, I believe it takes longer to be profitable, but only the fact that it is not detectable makes users loyal and maintains brand quality, so far I have not seen any publics last Both without detection in rust, it seems to me that they do a good job when they have access to the cheat. But I may be wrong ; )