I don't think the 4960x bets are a problem:
>>> 100 - 4960 * 0.02
0.8
That's a 0.8% edge as advertised.
The 200x bets have a 2% edge:
>>> 100 - 200 * (99.99 - 99.5)
2
well yes but they set max payout rato to 4960x after reading my post. Try to see hosue edge on 3507x
