Interesting.. I have to give that some serious thought.
My main change recently has been avoiding if at all possible a single at the end.
Usually now skip the sequence if the single is at the end.
A larger base price just basically doubles the bet. Probably good for a P5 when not spreading to much or small fields. I will do that if a pick 4 falls into my sequence with 2 singles..go from 50 cents to a buck.
Up to two tickets when applicable.
Your typical ticket is the primary.
Yes, doubles or greater the bet but with Bello's typical strategy of picking precisely it's short on combos so low cost.
More outlay, but those days of winning and losing money likely go profit. Not sure what % you are with that.