This is the same deal that got 41 thumbs up and is back (probably not for long)!
Samsung [samsung.com] [samsung.com] has Samsung Certified Re-Newed Unlocked Phone Deal w/ Trade In (Minimum $300 credit w/ Eligible Trade-Ins) on various models. Shipping is free.

Samsung Certified Re-Newed Details:
100% genuine Samsung parts
A brand new battery
New IMEI number
Includes 1-year Samsung manufacturer warranty
Thorough inspection and cleaning by Samsung technicians
Supported with the latest software updates.

Listed Available Models (After $300 Trade-in Credit):

Galaxy S22
128GB $149
256GB $199
Galaxy S22+
128GB $299
Galaxy S22 Ultra
128GB $449
256GB $549

Galaxy S23
128GB $269
Galaxy S23+
256GB $419
512GB $519
Galaxy S23 Ultra
Black 256GB $569
Green 256GB $569
512GB $719

Galaxy S24
128GB $319
256GB $369
Galaxy S24+
256GB $499
512GB $619
Galaxy S24 Ultra
256GB $719
512GB $839