Risk of implementing wrong heuristics
How costly are wrong heuristics when learned and implemented? Should it be a huge concern? If I'm studying alone how often will I acquire it compared to correct ones? How to recognize them?
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Well they can in some cases be costly vs a solver strategy, but there's really no other way to learn. You kind of have to just learn heuristics and then refine them over time.
Like for example one simple one is that when you're defending out of the big blind you USUALLY will call one smallish bet on the flop with ace high then fold to additional aggression. That is probably true something like 80% of the time. However there might be a connected middle flop where you should fold immediately. There's also occasionally some weird situation where it's correct to call down a triple barrel with your ace high, and it would be a fairly substantial blunder to fold on the turn or river.
Does that mean it's wrong to learn that simple heuristic? Not really. You'll still likely play better with the heuristic than without it, and over time you can learn about exceptions and find ways to further refine your strategy.
