Overall bet sizes to open with are still too small for 1/2 live. Consider opening AT LEAST $8-$10. Let the other fish open smaller and give you cheap flops to see with suited connectors .
Also a lot of these hands make it unclear what hand if any you made on flops and turns.
Hand 1: Fine overall. I tend to limp in or call a small raise with small PP (88 or less) to try and set mine but others may like your line here, I see no problem with it, maybe a bit bigger pre flop. If you were first to act on flop, and flop has no higher cards bet is ok but if there were higher cards and your first to act, I'd be cautious about a c-bet in case V picked up his paired Ax or something and raises you.
Hand 2: Was this suited? Was there other players in hand? As BB here a check or bet is good.
Hand 3: Fold probably good here. Some say maybe if suited connectors a limp is ok.
Hand 4: suited? Fine as played but as I said open a big bigger raise, only Cbet here if you're in position to act, otherwise you risk someone picking up something on flop and raising your C-bet. I'd only C-bet out of position here if you hit a K or J or have a good draw.
Hand 5: Generally fine as played. If it was like a min bet (i.e. $2) I'd call to see the turn, but any bet bigger isn't worth the call generally.
Hand 6: Unclear if you made your straight on turn? Was board 3 to a flush on flop or turn? How many players called the $6? If only you and single villain you bet too much. If the board wasn't scary "i.e. no pairs on board, no 3 to flush, unlikely higher straight" you can value bet here maybe 1/2 pot. If board is very draw heavy you can overbet pot a little.
Hand 7:Should have shoved turn with that little behind you. Although unclear what you had here.