Very original idea!

Been having some deep thoughts about this game today... here's an interesting system to try:

Bet 1 chip on High. If lose then double up on High - but also add 1 chip to the low single street that caused the loss.

If you lose again then add a chip to the 2nd low single street that caused the loss (so you've now got 2 streets covered) and then double up again on High to 4 chips.

If you win on High you can move down 1 level to 2 chips on High (or it might be best to stay at the same level) - but keep the 2 streets covered. If the zero ever comes in then perhaps cover that.

You play until you either get a win on one of the streets or one of the specific high numbers repeats - ending the cycle. Reset everything back to just 1 chip on High and nothing on the streets.

Any time you lose you double up on High and add a chip to the street. When you win on High (but no number has yet repeated) the above is only a rough guide to the new starting bet for High based on how many Streets are in play - perhaps somebody else can figure out exactly how much should be on High with or without the Zero:
1 street + High = ?
2 streets + High = ?
3 streets + High = ?
4 streets + High = about 16

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