Rick, have you seen these?
https://smile.amazon.com/Moto-Play-4.../dp/B01KBH547A
https://smile.amazon.com/Moto-4th-Ge.../dp/B01EZC9WC0
From $99 (Moto Play - 16gb - lockscreen ads) to $230 (Moto G - 32gb - no ads) and a few options in between depending on memory size and whether you want ads or not.
Also, I think that they can be easily rooted to remove the ads if you even care. Look them up on youtube, the ads aren't a big deal. These are Motorolas and Sprint capable. They even have LTE.
Cost a little more than Kork's azn special but $99 for a Motorola with 4G LTE, 1.2 GHz quad-core processor, 2 GB of RAM, 720p screen, Marshmallow, an sd slot, and it works on Sprint isn't a bad deal immfo.
There's a really cheap BLU Prime phone also but that one doesn't work on Sprint or VZW like the Motos do.