Yeah, only a few decades of that and the phone will pay for itself! /s
[1] Obviously using the solar generated power for something else to save on electricity might be more effective, but where is the fun in that?
> $12.30: 5W 5V Portable Solar Panel Power Bank Phone Charger
I could definitely picture myself as a teenager getting a bunch of shitty old Android devices to make $20 a month, though. My younger cousins will fill out surveys with fake info to make a few bucks here or there.