How ofte should we calibrate?

How often do we need to calibrate our machine? Just got my machine calibrated finally and cut my first Job. I have to move my frame around at times or unplug from power supply. Should it be calibrated often?

Ideally you never need to calibrate again except if you physically change the machine.

The settings are stored such that they aren’t lost when the power is disconnected.

If you have new chains, I would point out that chains do stretch over time.

I redid my chain calibration (the whole lot) at the 3 and 6 month marks, each time there was only a mm or so in it, but I believe it made a difference.