I believe with today's world with, current conditions and games, a player needs to get his max bet out by tc+4 or tc +5 at the latest. To wait any longer and the TC frequencies are so low, that you lose the benefit. Essentially a player who spreads, lets say 1-12 and places his max bet at tc +8 or +10, isn't getting the benefit of 12x minimum bet. He essentially is not playing a 1-12 spread that he thinks he is, but rather a spread equivalent to whatever he puts out at tc +4 or +5.
I place my max bet @ tc +4 most games, a few even @ tc +3. That is my goal to get to max bet and exit at the shuffle after showing max bet.
But in what I am sure will seems contradictory, I have allowances for what I call a "super max bet", at a higher count like tc +8 or +10. But there are other conditions besides count alone, that have to be present to trigger my super max bet. Mainly, either I am sensing zero heat / attention from my play, or just the opposite that I have already drawn attention, unusual attention, which I am going to treat sort of like a back off whether I get backed off or not by the next shuffle. So I am going to take this store out of my rotation for a couple months anyway until things cool down, so I go ahead and go above and beyond what would be my normal max bet.
But this super max bet for me is a real rarity. Again, conditions have to be just right, or maybe just "wrong" for implementation. I am talking like maybe twice a year playing my regular rotation of stores. Maybe little more aggressively on a road trip.