Typically over thinking stuff.
Does it cost you more to subscribe to lose that tiny bit of exp? Do you have to lose points toward NPC gear? Do you have to buy more exp catalysers? The answer is no, it costs you nothing.
With a maximum of 6k exp 1 more craft and you're ahead, you mention overcrafting, 18k exp for 1 HA vest and you worry about losing 1500 exp?
Think of it this way, if you lose 1500 exp and have to kill 1 more mob, or craft 1 more item then you are using your PAID subscription more effectively and getting better value for money.
[Edited] Out of topic.
Does it cost you more to subscribe to lose that tiny bit of exp? Do you have to lose points toward NPC gear? Do you have to buy more exp catalysers? The answer is no, it costs you nothing.
With a maximum of 6k exp 1 more craft and you're ahead, you mention overcrafting, 18k exp for 1 HA vest and you worry about losing 1500 exp?
Think of it this way, if you lose 1500 exp and have to kill 1 more mob, or craft 1 more item then you are using your PAID subscription more effectively and getting better value for money.
[Edited] Out of topic.
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It takes the right mixture of elements to make a potato, sunshine,water, soil, nutrients etc.
With patience, the right attitude and training, one day you could be a potato!!