Technically 76s is the bottom of my range here, so adding in a hand like 65s or 54s is an exploit. It could certainly be folded, particularly against a tighter or unknown opener. I mentioned it in the original post as a candidate, though if I know a weak opponent would fold Queens on the river after checking back the turn on an A high board I'm going to push him in spots like this.
OP: A candidate 3b range vs. a CO opener could look like: AA-33, AKs-A2s, AKo-A5o, KQs-K5s, KQo-K9o, QJs-Q8s, QJo-QTo, JTs-J8s, JTo, T9s-T8s, 98s-97s, 87s, 76s. This range assumes balance post flop so keep that in mind. It's based on the solver/modeling work I've done at home. I'd encourage everyone to do this type of homework yourself as it is seriously enlightening. Humans play bad
Trying new things like adding some additional bluffs into your game is an exciting time and kudos to you for being sufficiently self aware of a potential growth vector. You will make some bad mistakes and feel like an idiot... I do this every weekend... ask JDR
. But as you make those mistakes, take a note on it and think about it at home. You will settle on a new normal that pushes you in the right direction. Then you can experiment on that new new normal and learn from it as well. In poker, and in development in life in general, pushing yourself into uncharted waters is emotionally uncomfortable. You will make mistakes and that is perfectly natural, but the end output is that you will be better at that endeavor as a result of your experimentation.
Mon: I'm continuously amazed at how the solvers play and your question is a good one. My take on it is that the wide 3b in the SB is due to a few factors. First we get a small discount. Second we capture some dead money in the BB (always 3b, never call). Lastly we play perfectly OOP post flop. This last one is a big assumption, and includes ideas like having a donk check range on the flop, which 98% of live players these days do not have.
Reap: No, you're not a NIT, it is a bit much.