i think you'd have a hard time just breaking even at scrap value. If that security camera works well enough you might get a fair price on ebay. Starting out on ebay isn't as easy these days as it used to be, especially when computer and electronic components are involved, not sure exactly the complete list of items they consider "risky", but they will hold the payment (including the part intended to cover shipping) for a time, possibly until AFTER the buyer has received it and left feedback.
Sometimes vacs are easily fixed(and sometimes they're near impossible), and possibly sold on CL