Edit: In retrospect, my original response was over wordy. The jist of it was to clarify I was talking about the way the Ultimate Campaign rules on the issue seemed to me. Sorry for any confusion.
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Well, Scott, perhaps the problem is I wasn't very clear. My apologies. The rule from Ultimate Campaign for retraining I was referring to required the person doing the retraining to find a trainer in the particular item he is training to. For example, if you wish to retrain a feat, you have to find someone who has that feat, and ask them to teach you. (The pay some gold and take some number of days to train.) This stands as a distinct difference from the regular level up procedure, where no trainer is required.
In context of LPF, we effectively do not have a GM between adventures. Instead, our characters' economic decisions are resolved by simple GM-less rules, such as percentage chances to find magic items we wish to buy. The rest is all non-mechanical roleplay.
Given this, if people liked the Ultimate Campaign rules to the point they might be considered for adoption, we'd need some way of dealing with the trainer requirement. Or, perhaps, it's not worth adopting at all. I was just thinking about it out loud.
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