Retevis Portable Dual Band 2-Way Ham AM/FM Radio Walkie Talkie $15

Amazon has the Retevis RA79 (a rebranded version of the Quansheng UV-K5 radio) for $15. It's a dual band 2m 70 cm FM radio, plus AM in air band. USB charging, etc. With an alternate firmware it can do CB band, waterfall display etc. A ham license is required to operate it legally.