These sensor packs are usually priced in $60-80 range, and I saw that they were marked down to $40 or less in my area Walmarts. Some stores have priced these down to $29.5
Ecobee – Ecobee3 Remote sensor pack (2 sensors) $40 or less – Walmart B&M YMMV
https://www.walmart.com/ip/EcoBee…2/47709478
Brisckseek link: http://brickseek.com/walmart-inve…u=477094
Sample Zip code: 60478