Answer:
I can be found in seconds, minutes and centuries, but not in days, years or decades.
There is one in every corner and two in every room.
If you can get this professional's attention you can get where you need to go for a price.
What can be measured but has no length, width or height?
Thanks for such treasures as Mariachis, enchiladas and habanero!
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?