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A few days ago one of my friends wanted to reach a new VIP level Silver and he bet on the Dice game you know the result is worse because in 100 spins at least 3 red/lose will appear so in my opinion this method is no longer ideal but if he wants to keep trying why not. As far as I know @AHOYBRAUSE is more active in betting on sports so it might be more effective to bet on odds 1.01-1.05 in addition, VIP progress on sports is 3x faster than casino games, if the target is $10k then just bet $3.3k on sports or 16-17 bets for $200 each.
All strategy comes with a risk of losing, no strategy gives a guarantee of better result because we are dealing with luck based game. Of course luck is the main factor here, so any strategy can be both ideal and not ideal, it depends on the result. Even if sports bets looks to be safer with 1.01-1.05 odds, but the risk is still there and betting $3.3k or $200 on 16-17 match to get $3.2k bonus is not worth. If the target is 10k, starting with $100 to play in house game such as dice is better than starting with few thousands dollar to bet on sports.