Wood camping stove

I love to shop at REI, and I probably buy a lot of stuff that I could find cheaper elsewhere.  But this camping stove has to get an award for "bom cost to retail price markup":

   - https://www.rei.com/product/121086/solo-stove-titan-stove

Here's something I made from two discarded bean cans:
- http://www.webooma.com/hobo/