[kayhi]

For most it is the start up costs.

[the_only_law]

Yeah I tend to browse eBay and other resellers looking for old engineering / scientific equipment and even for obsolete stuff it often still resells pretty high.

[ramraj07]

The way I think about it, people own boats, and this still can be cheaper than that hobby!

[neltnerb]

I guess not if they live in them?

https://www.instructables.com/How-to-Get-a-Free-Yacht/

I love this one.