Also batteries, lithium is expensive so a lot of companies are trying to come up with cheaper, but also more sustainable alternatives. And they already have with lithium iron phosphate that requires less lithium. And as prices for a substance rise, so will the desire for alternatives and recycling.
A lot of strong towns framing uses "financial productivity" defined as tax revenue per unit area, usually acre. Poor neighborhood's houses may be cheap, but are packed much more densely, leading to higher revenue per unit area. less in taxes per lot, but also lower maintenance costs per lot.
If its a optical image satellite, it probably doesnt take much to burn on the camera if it's shutter is open.