A double street or 'line' method for you.
Wait until you have 5 of the DS hit.
Bet that the 6th will not come out the very next spin.
If it does, then retrack and slightly raise your bets next time.
Example
1
2
1
1
4
3
3
1
2
5. ...here five of the DS have struck so now bet that DS 6 does not show
2 Win +1
3
2
3
1
4
6 ..now bet all except DS 5
Nice & Easy!