Have you considered just using an old smartphone, granted it may not have a 12-megapixel camera, but it did not cost $400 plus. Check your local thrift stores, CHKD, DAV, Goodwill, etc…
Worse case you have to buy a brand new one from QVC or HSN, but a new one would come with a full year of phone service from Tracfone…
From QVC… Tracfone Moto G Play 6.5" Smartphone with 1500 Talk/Text/Data -- With 32 GB Storage and a 13-Megapixel Main Camera
https://www.qvc.com/Tracfone-Moto-G-Play-65"-Smartphone-with-1500-TalkTextData.product.E237010.html?sc=SRCH
QVC and HSN offer Special Sales with much cheaper prices all the time… Get yourself a selfie stick, the head screws off and will screw onto a tripod to hold the smartphone, I doubt you would find it easy to mount a Drone onto a Tripod…