Ask HN: Is price of one Dropcam($149) overpriced?

I made some preliminary estimates and found that drop cam bill of materials (BOM) should be less than $50 (camera sensor is about $13). Why is Dropcam $149? Are they marking up the price or am I missing something in BOM? Also, if they are recording for seven days...they must be uploading 1TB/day. Do you think that's really possible?

I believe dropcam price can be much lower but they choose to mark-it up. I would like to know from knowledgeable folks here if I am right.