Not sure about sky swaps but California signed a new law effective Jan 1 regarding real estate imaging for advertisement.
Article here from San Francisco Chronicle.
New California law means big changes for photos of homes in real estate listings
I would not trust AutoPylot or any B4UFly like app as your only source for legal flying confirmation. There are many restricted, prohibited areas that are not covered in AutoPylot. I would love to have one source to check but they are not there...