Walmart B&M Stores right now have the Boost Mobile Moto E5 Play for $59. Includes Sprint SIM card pre-installed and may work on the Sprint Network if the Walmart store will sell it to you without activating in store...others are saying it will work on Sprint BYOD deal even if the Walmart employee activated the Boost phone in the store. Walmart stores also have the Boost Mobile Moto G6 Play (bigger screen, finger print scanner, huge battery, etc) for $79 or less.
Here's the details on the Sprint BYOD Free 1YR deal:
This same phone is on sale at Boost's website for $79.99 and retail price is normally $99.99
Check local inventory in your area here:
SKU: 480764657 UPC: 723755019652
More info about the phone here:
Boost Mobile website for deal on phone: