1. Opponent is 60-10 Af 1.5

$0.25/$0.50 No Limit Holdem
4 players
Converted at weaktight.com

Stacks:
CO PokerstarGR ($28.60)
BTN 21KARIM12 ($86.70)
SB 596931 ($50.83)
BB Hero ($57.22)

Pre-flop: ($0.75, 4 players) Hero is BB
1 fold, 21KARIM12 calls $0.50, 1 fold, Hero checks

Flop: ($1.25, 2 players)
Hero bets $1, 21KARIM12 calls $1

Turn: ($3.25, 2 players)
Hero bets $2.50, 21KARIM12 bets $5, Hero calls $2.50

River: ($13.25, 2 players)
Hero checks, 21KARIM12 bets $12.50, Hero bets $50.72, 21KARIM12 calls $38.22

Final Pot: $114.69

Hero shows:
21KARIM12 shows

2. Is this a terrible bluff?
Opponent is 49-26 Af 1.6

$0.25/$0.50 No Limit Holdem
4 players
Converted at weaktight.com

Stacks:
CO Spinatkraehe ($49.75)
BTN Hero ($46.50)
SB _Zorg_ ($49.50)
BB 71lefty24 ($488.73)

Pre-flop: ($0.75, 4 players) Hero is BTN
1 fold, Hero bets $2, 1 fold, 71lefty24 calls $1.50

Flop: ($4.25, 2 players)
71lefty24 checks, Hero bets $3, 71lefty24 bets $7, Hero calls $4

Turn: ($18.25, 2 players)
71lefty24 bets $6, Hero calls $6

River: ($30.25, 2 players)
71lefty24 bets $12, Hero bets $31.50, 71lefty24 calls $19.50

Final Pot: $93.25
71lefty24 shows:
Hero shows:

3. Should i fold turn?
Opponent is unknown, but looks a bit fishy

$0.25/$0.50 No Limit Holdem
5 players
Converted at weaktight.com

Stacks:
UTG 71lefty24 ($357.15)
CO Spinatkraehe ($52.64)
BTN Hero ($46.75)
SB atamo ($52.20)
BB _Zorg_ ($50.00)

Pre-flop: ($0.75, 5 players) Hero is BTN
1 fold, Spinatkraehe bets $2, Hero calls $2, atamo calls $1.75, 1 fold

Flop: ($6.50, 3 players)
atamo checks, Spinatkraehe bets $4.50, Hero bets $11.25, atamo calls $11.25, Spinatkraehe folds

Turn: ($33.50, 2 players)
atamo bets $38.95, Hero calls $33.50

River: ($105.95, 2 players)

Final Pot: $105.95
atamo shows:
Hero shows: