Woot! is offering different assortment of Blink cameras in different conditions. Free shipping for Prime members. Otherwise, it is a $6 flat rate. Woot! is an Amazon company.
https://www.woot.com/offers/blink…em-1st-gen
Blink XT Camera Black – Used Acceptable – $29.99
Blink XT 2 Camera Kit – Used Good and Very Good – $69.99
Blink XT 2 Camera System – Used Acceptable – $69.99
Blint XT 3 Camera Kit – Used Good and Acceptable – $89.99