Been using TCC for awhile now and am uncertain on how certain recipes are supposed to be used. For example, “Armor Spell Failure Reduction 5%” is supposed to require a Caster Level of 1, but it requires Ethereal Visage which my wizard does not have access to until he reaches level 11. This would also apply to “Armor Spell Failure Reduction” 10%, 15%, 20%, and 25%.
Then there is the “Magic Pouch” which is supposed to need Caster Level 3. But it requires Planar Binding which again need my Wizard has to be level 11 to learn. Ditto for the Lesser Magic Bag.
Universal Class Limits are supposed to work at Caster Level 6. But Mind Fog does not become available until Level 9.
A melee weapons with Cold Damage +2 is supposed to be craftable a Caster Level 5, but you need level 7 to get Ice Storm.
Now with TCC 2.05, Skills +4 are supposed to be craftable at Caster Level 6, but Legend Lore Is available at Level 11 for a Wizard. I suppose a Bard could do it at Level 7, but Grobnar has few enough feats available to him as is and he does not show up until I am somewhere around Level 9.
I would love to be able to use Skills +4 when my character reaches Level 6, but that does not seem to be an option. By the time I have access to Legend Lore, I am one level up away from Skills +8. So I never actually have a use for Skills +4.
There are a few others:
Universal Resistance +1
Universal Regeneration +1 and +2.