My Wit via eBay offers the refurbished Samsung Galaxy S5 Active 16GB Smartphone for AT&T (no contract) in Green, model no. SM-G870A, for $149.99 with free shipping. That's $20 below our mention from four days ago and the lowest total price we've seen. (It's a current best for a refurb by $29.) It features a 5.1" 1920X1080 AMOLED touchscreen display, Qualcomm Snapdragon 801 2.5GHz quad-core processor, 2GB RAM, 16GB internal storage, 802.11n wireless, 16-megapixel rear-facing camera, 2-megapixel front facing camera, microSD card slot, and Bluetooth 4.0. The Android OS version is unclear, although it's likely Android 4.4 (Kitkat).

Note: No warranty information is provided.