charges on the wagered amount 0.1% on other sites
other sites usually takes 10 % comission of the
profit These two are theoretically the same if you look at this from an infinite time range. (super long term) In the short term, there will definitely be differences between these two methods.
Another way to look at it is that Dean currently taking 25% of profit. (but he's taking it risk-free on wagered, which is way better than only taking it on house profits)