Yes, I'm sure the markup would be large as a percentage, but for most customers the convenience would be worth it. Most of the customers are probably commercial and don't want to risk getting banned or sued.
“Trust me, bro!” is something I wish my power company would do, but they installed a meter instead.
If it's the latter then hand editing is all it takes to create fraud.
Almost every US utility has a "UM" process to self-assess an unmetered load's consumption and be billed. So, yes, it's not only viable but widespread.
I wouldn't talk too loud about this or you will ruin it for all of us. If I discover the street lights on my street mine botcoins I will blame you.
What's there alternative in this case? If I can land a drone on the power line and suck up some power, they can either charge me when I tell them I did it, or they can not charge me.