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@allObjects
The question is how the terms quickly / 'without a delay' and 'laying around' is defined.
If 'laying around' means that it is not moving at all with no signal, last positions can be fed to the GPS to get a fix about 10 times faster than the regular cold or warm start of 27 seconds (assuming you are using the 'last' generation uBlox NEO6M Assisted Mode).
With a motion sensor, you could even detect that something is going on and switch it on right away with assisting data, and you get much quicker where you are... and as long as you get signals and it is still moving, you keep the checking on shorter intervals, and when it starts to 'slow' down, you increase the intervals. I did not work with the motion sensor yet, but it could give you some help in determining useful check intervals.