My two cents

I believe both, a betting staking plane can work if you have a regular strike rate and ave. price.

And yes if you don't get your regulars and have a run of outs you will loose. (this is why we have a stike rate and ave. price so we don't loose)

All because something is Mathematical doesn't mean it is going to happen. It may happen today, tomorrow or in 100 yaers.

Chears