The first step to storing cigars (besides getting a humidor) is to make sure you calibrate your hygrometer every 4-6 months. Also replace your batteries in digital hygrometers every 6 months, as weak batteries can give inaccurate readings as well.
Do this while you are seasoning you new humidor, it is the only indicator that you have to reply upon to ensure your cigars are being stored at the proper RH level.
Improper RH levels can create draw, burn and flavor problems and long term and result in less than stellar aged smokes.
Digital hygrometers are typically off by 1% and as much as 8%, so salt testing in essential is determining the exact RH level in your humidor and analog hygromet