Could I have saved some money anywhere?

Hand 1

Stacks:
CO ($71.21)
BTN ($59.23)
SB ($60.62)
Hero ($54.89)

Pre-flop: ($0.75, 4 players) Hero is BB [Js]
2 folds, SB raises to $2, Hero raises to $6, SB calls $4

Flop: [6h][5c] ($12, 2 players)
SB checks, Hero bets $8, SB raises to $24, Hero goes all-in $40.89, SB calls $24.89

Turn: ($109.78, 2 players)

River: ($109.78, 2 players)

Final Pot: $109.78
SB shows: [5d]


Hand 2

Stacks:
UTG ($59.40)
UTG 1 ($37.21)
Hero ($52.99)
BTN ($47.79)
SB ($70.69)
BB ($49.19)

Pre-flop: ($0.75, 6 players) Hero is CO [Td]
UTG calls $0.5, UTG 1 raises to $2, Hero calls $2, 1 fold, SB raises to $6, 1 fold, UTG folds, UTG 1 calls $4, Hero calls $4

Flop: [5c][9d] ($19, 3 players)
SB bets $13, 1 fold, Hero raises to $26, SB goes all-in $51.69, Hero goes all-in $20.99

Turn: ($130.68, 2 players)

River: ($130.68, 2 players)

Final Pot: $130.68
SB shows: [Ad]


Hand 3

Stacks:
UTG ($69.06)
Hero ($50.25)
BTN ($61.55)
SB ($62.19)
BB ($48.08)

Pre-flop: ($0.75, 5 players) Hero is CO [Qs]
1 fold, Hero raises to $2, BTN raises to $6.5, 2 folds, Hero calls $4.5

Flop: [9d][6s] ($13.75, 2 players)
Hero checks, BTN bets $9.5, Hero raises to $25, BTN raises to $40.5, Hero goes all-in $18.75, BTN calls $3.25

Turn: ($101.25, 2 players)

River: ($101.25, 2 players)

Final Pot: $101.25
BTN shows: [Kd]


Hand 4

Stacks:
UTG ($59.82)
Hero ($49.08)
BTN ($62.67)
SB ($50.51)
BB ($53.96)

Pre-flop: ($0.75, 5 players) Hero is CO [Qd]
1 fold, Hero raises to $2, BTN calls $2, 2 folds

Flop: [9s][4d] ($4.75, 2 players)
Hero bets $4, BTN calls $4

Turn: ($12.75, 2 players)
Hero bets $8, BTN raises to $16, Hero calls $8

River: ($44.75, 2 players)
Hero checks, BTN goes all-in $40.67, Hero goes all-in $27.08

Final Pot: $112.5
BTN shows: [9c]

Fold in hand #2 he's not leading oop without a hand that beats you (fold>call>raise imo).

Hand #4 just shove the turn if you're gonna call a river shove (which I would).

Hand #1 and #3 are fine.