Best Buy has the Arlo (Netgear) Wire-Free 2-pack for $329.99 - $119 = $210.99
, bundled with a 360° Swivel, 90° Tilt Indoor/Outdoor Adjustable Mount (normally $19.99), for a total savings of 40% ($138.99).
This set includes (2) cameras with batteries, (1) base station with AC adapter, and (2) standard mounts, plus bundled with (1) adjustable mount. The base station supports up to 5 total cameras on the free cloud subscription, and up to 15 cameras if you get a paid subscription.
The free cloud subscription includes 7 days of recording storage (details here [arlo.com]
Note these are not the newest Q or Pro models.