[bmxreed36]

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I think it's a pretty standard strategy (the bigger the blinds are, the better). Leaving a guy with 30 chips is definitely worth it if you can pick up much more than 30 chips in the next orbit by stealing.

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I respectfully dissagree.
Usually by te time you are keeping some on the bubble the blinds are getting high. And to allow him to stay in, you are giving him the blinds.
You are employing this strategy to steal blinds from the middle stacks. If you get caught stealing against a real hand the middle stack doubles up and you are in trouble.
AND if the shorty doubles up against the middle stack he becomes a player again.
Bubble time is crap shoot time to some extent.
I say get rid of the shorties.

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In the situation the OP gave, you have the nuts, therefore are not giving him the blinds, but only letting him keep 30 chips. If you have 2x the next biggest stack, you can lose an all-in to them and still have as many chips or more as the person 3rd in chips. Also, the player with 30 left is not a reasonable threat at all as he will have to get lucky many times to have a shot. Your fold equity over the others is huge now. Works all the time.

To give my most extreme example, I once raised the shorty in the big blind all but one of his chips and to my amusement we checked it down and he lost. I pushed the next few hands where he doubled up to 2 and then tripled up to 6, etc, but he never got above 50 chips and by the time I took him out, I was in the money with 90% of the chips.