X-Sense WiFi Water Leak Detector Kit

This X-Sense SC01 detector is at $36 for Prime members. That is its all-time low price on Amazon and beats the 90-day average of $42. It combines smoke and carbon monoxide detection in one unit with a 10-year sealed battery, so there's no wiring or separate battery replacements to worry about. It ships for free.  Buy Now at Amazon

Woot's Tools & Garden sale covers a wide mix of outdoor gear, from solar-powered string lights and lanterns to garden hose reels and crack filler. Some standouts at the time of publishing include a HBTower Step Ladder for $60 (a 45% drop), a bunch of great discounts on Milwaukee power tools, and Simply by MervFilters furnace filters, starting at $22. Prime members also get free standard shipping on all Woot orders. The deals all end on October 31.

New to Woot? You can save an extra $15 on orders over $30 thanks to the Woot new customer promo code "WELCOME15". The coupon expires on October 25. Buy Now at Woot! An Amazon Company

Home Depot is running a RYOBI 18V ONE+ savings event with 175 products listed in its Special Values section. Items are sorted into price tiers of $10 to $20, $30 to $40, and $50 to $100, so the lineup covers small accessories through higher-priced tools. Shop Now at Home Depot

Update: The price has changed to $3.68 since this was originally published.

At Amazon Haul, get this 60-Piece Stainless Steel Self-Tapping Screw Assortment Kit for $3.74. It's the best price we could find by $8. This 60-piece screw assortment includes five different lengths ranging from 13mm to 38mm, all made from stainless steel. The countersunk Phillips heads and self-drilling design make these suitable for both sheet metal and wood projects. Shipping is free on Amazon Haul orders of $25 or more. Buy Now at Amazon

Update: The price has dropped to $28.49 since this was originally published.

At Amazon, get this Chamberlain myQ Smart Garage Video Keypad for $30. It's the best deal we've seen for this model. It adds a wide-angle camera, motion detection, and two-way audio to the standard keypad function, letting you monitor and control garage access from your phone. The keypad works with LiftMaster, Chamberlain, and Craftsman openers made after 1993. Buy Now at Amazon

Clip the on-page coupon to knock this alternative Halloween costume down to $18. That's a savings of $5. Buy Now at Amazon

At Amazon, clip the on-page coupon to get this Motorized Solar-Powered Outdoor Roller Shade for $115. That's $105 less than our mention from July and the best deal we've seen for this model. It can be controlled through the Yoolax app or a included remote, and is compatible with Alexa and Google Assistant with a Bluetooth hub. The shade is available in widths up to 16 ft., making it suitable for covering large patios or porches with a single unit. Buy Now at Amazon

Here you'll find the best limited-time offers that Amazon has available today as part of the lead-up to its Prime Big Deal Days sale on October 6 and 7. Shipping is free for Prime members. The sale refreshes at 3am ET each day. Shop Now at Amazon

Stock up for Halloween with a selection of candy bulk bags, featuring individually wrapped candies, as well as branded options. Prime members get free shipping and some items drop in price via Sub & Save. Shop Now at Amazon

This six-pack of X-Sense smoke detectors is $28 off the regular price of $165. Each alarm runs on a sealed 10-year battery, so there's no need to swap batteries over the unit's lifespan, and the whole set can interconnect with up to 18 compatible alarms so every detector sounds when one senses smoke. Buy Now at Amazon

This X-Sense security system is $44, down from $65. The 5-piece set covers a base station, two door sensors, a motion sensor, and a keypad, and it works with Alexa for voice-controlled arming and disarming. The system can also expand with additional sensors and keypads for larger homes. Buy Now at Amazon

X-Sense's SWS54 Wi-Fi water leak detector kit is $12 off at Amazon, and the price sits below its 90-day average of $47. The kit includes three sensors and a base station, and the sensors and base both sound 120 dB alarms. Shipping is free. Buy Now at Amazon

At Amazon, this X-Sense radon detector is $26 off the regular price of $80. The built-in display shows short-term and long-term radon averages, so there are no lab fees or mail-in tests. It runs on 3 AA batteries, which are included, and the manufacturer backs it with a 5-year warranty. Shipping is free. Buy Now at Amazon