Short of buying a 400 dollar digital level, what have you found that really does the trick. I've tried various cheap bubble levels with fair to poor results.
Dougdeacon has the answer to this. I have $500- worth of levels to install fine cabinetry and I always rotate 180 degrees and halve to find dead nuts. The ONLY way to find true level with a bubble.
Markpao- Being a carpenter- you should know that you must turn any bubble 180 degrees to confirm level. I have to send my Stabila levels to Germany every year or 2 to be dialed in. They are ALWAYS off a bit -
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