Hold'em table

Three-handed on the button, K7o is a reasonable steal/raise hand. Raising to 300 applies pressure and takes initiative in position.

J2 offsuit from the small blind facing a button open to 3bb is a clear fold, since we'd be out of position with the big blind still to act behind us.

9-3 offsuit is too weak to open even from the button in 3-handed play with 100bb stacks, so folding is the standard play.

2-6 offsuit is a weak hand with poor playability. With seat_2 folded and seat_1 at big blind, folding saves chips and avoids marginal situations from the small blind position.

8-2 offsuit is the worst starting hand in poker. Folding from the button against raised action is standard and minimizes losses.

A9s is a strong heads-up hand against the big blind; raising applies pressure and builds the pot with a hand that has good equity and blockers.

BB vs SB 3x open, J9o is well ahead of the defending threshold: I'm getting 200 to win 600 and will be in position postflop. A call beats a 3-bet with this hand.

I flopped top pair with a decent kicker and want to bet for value and protection against draws. A 400 bet into 600 is a standard sizing.

J-high with only a gutshot to a K (KT needed... actually just a backdoor/gutshot via K for broadway) on an A-Q board facing a 2/3-pot bet from the preflop raiser; equity is too low for the 4:1 price.

Jack-three offsuit is too weak to call a raise from the small blind and big blind in a three-handed pot, so I fold.

Blind vs blind, 85o is a reasonable raising hand from the SB at 3x; it puts pressure on the BB and plays fine postflop.

Q7s is a weak hand with poor winning chances against a raiser in a 3-player game. Folding preserves chips for better opportunities rather than committing more chips with marginal holdings.

94o is below a reasonable 3-handed button opening range, so folding avoids a marginal spot out of position against both blinds.

J7o is a weak hand in the big blind. With no information suggesting a particularly aggressive table and a reasonable stack, folding preflop minimizes losses on a marginal hand that will struggle post-flop.

Getting 3:1 pot odds with a suited connector; calling 50 more to see a flop is reasonable, while raising risks too much out of position with a weak hand.

42o is weak; take the free flop in the BB against a limping small blind rather than raising.

Strong combo draw (flush draw plus gutshot straight draw) on a low connected flop; betting for value, fold equity, and to build the pot heads-up.

Bottom pair with backdoor straight potential against a small lead in a limped pot; I need only about 30% equity, so calling is better than folding or bloating the pot.

I have a combo draw with flush and open-ended straight outs plus fold equity, so betting the turn as a semi-bluff is profitable. Checking would let opponent realize equity cheaply.

Bottom pair is getting about 3.7-to-1 against a small turn bet from a wide limping range that includes many draws and bluffs. That makes a call marginally profitable.

Missed flush draw with no showdown value; betting to represent a strong hand and fold out missed draws or weak pairs.

Bottom pair with a 4 kicker is too weak against a three-street barrel with escalating sizing. That line is value-heavy, and my hand only beats some busted draws, not enough to get to the ~30% equity the call needs.