This is a dice strategy I saw recently. It will increase your bankroll in the short term as payout will be more than loss, the only limitation is how many losses you can sustain in a row. For this reason it is recommended to start with a very small number and only do this for short bursts and take your winnings. Eventually you will lose everything long term. To help keep to this you could set a stop on profit or set a max number of bets. It does make sense to stop on a win so stop on profit is probably better. This is not recommended for long term mining without monitoring.
Chance to win is low at 30%, but the payout is high. So start with a very small bet amount because it increases quite quickly. Remember this strategy isn't very efficient for mining, its mainly to try to regain losses and will slowly build bankroll in short term.