New Samsung Galaxy A10e $79.99 - 20% = $63.99
Boost Mobile 20% off Androids with GRADS2020 code (apply promo code BEFORE checkout)
Yes it comes locked. Plans start at $30, and you should be able defer signing up for a plan (or never and use as wifi-only).
Decent budget Android phone. Also made by company not under auspices of Chinese Communist Party, if that's something you care about (e.g. Huawei, Motorola, etc.)
Other phones 20% off too: https://www.boostmobile.com/phone...idSale2020