This deal is back and become even more exciting.
Samsung.com is offering an Unlocked Samsung Galaxy S10e, S10, & S10+ Smartphones with $200 Off when you Trade In a Qualifying/Eligible Smartphone Device (working condition) via their Samsung Trade-In Program.
Also, the Samsung.com has a promotion for $100 off with the unlocked phone for edu/employee account. You need to log in to see the additional $100 off.
S10e 128gb: $416.24+tax
S10 128gb: $554.99+tax
S10 plus 128g: $647.49+tax