I am interested in purchasing a custom Alpine Linux build.
How much would it cost for a modestly tweaked version? Is there anyone that is currently providing this service?
Take a look at this wiki page, it should get you started
https://wiki.alpinelinux.org/wiki/How_to_make_a_custom_ISO_image
Take a look at this wiki page, it should get you started
https://wiki.alpinelinux.org/wiki/How_to_make_a_custom_ISO_image