Hold'em table

Q4o is a weak hand with little potential and no money invested, so folding preserves my stack for better spots.

Q5o is weak but the small blind is only 50 into a 150 pot, giving good immediate odds. I'll call and evaluate the flop rather than inflate the pot out of position.

With 2-6 offsuit (one of the weakest hands), checking is prudent. The pot is small, seat_1 folded, and I'm in position to act last postflop. This allows me to see the flop cheaply and exercise better control postflop.

Opponent checked preflop and the board is dry; a small bet can fold out overcards and take the pot down, while I have backdoor spade equity if called.

I have 6c-2c with a pair of sixes on a 3s-9s-6h board. Seat 2 raised to 100 on the flop with only two players remaining, indicating significant strength. My hand is vulnerable and likely behind against a stronger pair or draw. Folding preserves chips for better opportunities.

With 3d8c offsuit on the button, the hand is too weak to call or raise against two blinds in a 3-handed pot; folding preserves chips.

Q7o is a weak hand in a heads-up spot after the big blind, and calling 50 more chips to play out of position doesn't justify the risk. Folding preserves chips for better opportunities.

K3o is a weak hand with no strong winning potential. Folding preserves chips and avoids playing a dominated hand out of position.

84s is too weak to call or raise out of position against the big blind; folding has a higher expectation than a losing call.

Button raise with Q8o to steal blinds; 3-handed, aggression from the button is standard.

T4o is too weak to continue against a button raise, especially out of position with the big blind still to act.

J5o is a weak hand in the big blind facing a 250 chip raise (2.5x my bet). With two players and no strong hand, folding preserves chips for better opportunities.

Raising on the button with K4o to steal blinds and take control with position, as calling would give poor pot odds.

5-3o is a very weak hand, especially out of position as small blind against a raise and big blind still to act. With 250 to call into a 450 pot, the pot odds don't justify continuing with this marginal hand against strong opposition.

With 9s8h, I'm getting 2.25:1 pot odds against a wide button raise, and my hand has reasonable equity to see a flop even out of position.

I have 9-high with no draw on a paired king-high board. Betting would be a pure bluff with no equity, so checking to see a free turn is best.

I flopped a full house (kings full of fours), which is almost certainly the best hand. Betting for value and to charge any flush draw or Kx that might call.

With 9-high and no draw on a K-K-4 flop, I have no equity and the opponent's bet indicates strength; folding preserves my stack.

2-10o is a weak hand in the button position. With 100 chips to call and no favorable odds, folding is the optimal play to preserve chips for stronger hands.

A8s is a strong hand heads-up and we want to take initiative. Raising to 3x the big blind puts pressure on the BB and builds a pot with our equity advantage.

I have 6s2c, a very weak offsuit hand out of position, and calling 200 more would only continue with poor equity. Folding avoids further losses.