

Not sure if you noticed, or if sorghum noticed, but the link about dried beans they had in their reply refers to another blog post about your question. The author found that yes, homemade bread is cheaper when considering electricity costs, but obviously YMMV depending on power costs and the price of equivalent store-bought bread
https://healthyfamilycookin.blogspot.com/2011/12/is-making-homemade-bread-saving-me.html
I imagine they poached a lot of Spacex engineers by simply telling them “we won’t make you work ungodly hours, nor will we subject you to a narcissistic manchild with no engineering education dropping in on your meetings and trying to tell you how to do your job”