you buy when:
1- The indicator with the standard settings is greater than 32.
2- the indicator set to 7 periods is crossing upwards the oversold line at 30
3- the candle minimum is lower than the lower band of set to 50 periods.
is sold when:
1- indicator with standard settings is greater than 32.
2 - the indicator set to 7 periods is crossing downwards the overbought line at 70
3- the maximum of the candle is higher than the upper band of the set to 50 periods.
Money management is at the discretion of the trader but usually it is better to set a fixed stop loss and a take profit on reaching the opposite .
Enjoy trading at all!