On 05/04/2021 16:25, Richard wrote:
On 05/04/2021 16:13, GB wrote:
The typical price for a 20 kgs cast iron kettle bell is £50-70. What's
involved in making one?


Iron only seems to fetch about 10p per kg at the scrappy.

GIYF

How about this:
https://www.instructables.com/DIY-Ke...-for-under-10/



Concrete ones are much cheaper to buy than cast iron, but the density of
the material is different, and concrete ones are much bulkier. The
advantage, of course, is you don't need an iron foundry to DIY one.