You could always just carry a set of stock spares. Once you know what it takes to brake one, you could decide how much 'over build' you need, then go longs or 06's. If you never pop a birf, then you wouldn't have much money wrapped up in the spares that you didn't need.
![Undecided :-\](https://board.marlincrawler.com/Smileys/marlin/undecided.gif)
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