Keep making rewards smaller for free users and now new promos for big spenders. Looks like you wanna run a casino which is fine but do you pay taxes on your profit by any chance. That is more provocative question i know the answer to.

Anyway about competition. Few observations:
1. Why affiliates get half rewards lol they will get shitload of satoshies anyway. I dont get that for site that lately keep on reducing rewards so they are staying profitable to give where is no need.
2. The way rewards are distributed is better you just pay top5 cause last few spots rewards are joke compared.

Good luck with promo(meaning i hope it doesnt backfire and we(everyone that doesnt gamble as much as you see fit) get even lower rewards)!