It seems I have same experience with having profit by playing PD. When first attempt, I was bet BTC 0.01 with 90% I thought it was easy to make it profit. But I was greedy on that time. so I loss at the end.
But I'm still trying to make a profit. So I playing with different ways, just like Hui ever did. Playing 9900x with small chance of winning but provide a huge profit. So I'm deposit BTC 0.01 again and play with 1000 satoshi per bet and I was got lucky because I got BTC 0.099 profit. At least I can chase my loss and turn into profit.
Dice is like this.
Don't think just because you bet at 90% odds, you will surely win.
You will be surprised how often you lose in a losing streak.