Don't gamble if you fail to do all of these. Like really, even setting a limit should be more than enough to stop someone from being irresponsible and if they fail to follow that, then self-control just doesn't exist in their body. I'd 100% make someone stop earlier than later while there's still some possible semblance of self control than let it fester into something much more worse.

Besides if the limit seems too "small" to you, bet even smaller then. Stop thinking of it as "how much" you can earn, just compare it to "how much" you can multiply your base bet is, while betting smaller amounts. Much better imo.