I dont know if wagering really counts because I was able to wager around $7k a week and my amount of weekly was the same as I did a $4k total wager.
Our wager is the main parameter for the weekly and monthly bonuses. Then it comes to our VIP rank, there is a base reward for each rank. The bonus also depends on the house edge of the games you are playing. You will receive a low bonus with the same wager if you play the lower house edge games (most of the in-house games). If you have made the $4k and $7k wager by playing the similar house edge games, then your weekly profit stats were the reason for the same bonus amount.
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$0.03 reload only! Is it 10 minute reload or hourly reload? The amount is quite low if it is an hourly reload. I got $30 bonus as a platinum 3 user. Don't expect more bonuses before the end of this race.