When you make stacks of stuff like stones or wood

[Maharin]

You get a good chunk of experience.  But...

Spoiler

You can do it over and over again to keep making experience.  Intended?

 

[SylenThunder]

Check how much you get as you keep doing it.  It has diminishing returns.

 

[Maharin]

I noticed a big change between the first and second but much less of a difference after that (even after 5 or so tries).  Does it go way down after that?  It is still a lot of experience for such a simple task.  Just thought I'd comment in case it was an oversight.