I don't see how this is mathematically profitable to the average investor.
For example, Primedice (according to dicesites.com) has 2,772 BTC wagered through it's site since the end of May. Extrapolated for a months time would be about ~12,000 BTC or approximately $34 million a month.
With a house edge of 1% you would have an expected profit value of $340,000 a month, which is a significant amount of money, if you own all of the tokens and get 100%.
However, $5000 investment of ETH (~19 ETH as of today) would only yield 3800 tokens assuming you got it at the best price. (200 tokens / 1 ETH first hour).
Lets assume all 5 million tokens are sold.
3800 tokens is only 0.076% of the total 5 million available tokens (about $6.5 million at first hour price).
So if it was as popular as Primedice, 0.076% [of $340,000] would only net you ~$258 a month.
That is a full 19 months before you even make back your original investment of $5000!
Don't forget this is all under the assumption that idice would even become as popular as Primedice (been around 4 years) and would also do so instantly.
Your Maths skills are on point. But since iDice is a dividend paying token, I'd say It's a win win for everyone. The only type of project with a shitload of dividend per token is Taas or Iconomi. Those are Fund management projects, iDice isn't. Your original investments (where you got ~3000+ tokens) isn't in the waste bin as You can sell when iDice becomes available at exchanges. So yeah, This will be profitable for investors.
Thanks for expressing interest! You have great questions and we'd be happy to address them!
Thank you for the detailed answers. I'm satisfied with them.