
This Hammacher Schlemmer 12V Mini 3" Cordless Circular Saw is $39.99 at SideDeal, down from $80. It runs on a 12V motor with up to 1,600 RPM and includes a carrying case, two batteries, multiple blade types, and gloves. You'd pay $50 at Walmart. Buy Now at SideDeal
- 12V motor delivers up to 1,600 RPM
- Cuts through wood, drywall, tile, PVC, and more
- Measures 8.5" long by 4" wide by 2.75" high
- Built-in guide scale with a 20mm cutting range
- Integrated dust exhaust pipe for a cleaner workspace
- Rechargeable battery offers up to 4 hours of use on a 2-hour charge

Amazon offers the Skilsaw 15A 7-1/4" Worm-Drive Circular Saw for $109.99, its best-ever price. Most merchants charge double this price. Shipping is free. Buy Now at Amazon

Walmart offers the DeWalt Flexvolt Max 60V Brushless 7-1/4" Circular Saw for $168. That's a $29 low, but most merchants charge $299. Shipping is free. Buy Now at Walmart

At eBay, get this certified refurb DeWalt 60V FlexVolt 7-1/4" Cordless Circular Saw for $183. It's the best price we could find by $116. It's a certified refurbished unit backed by a 2-year Allstate warranty, and it runs on DeWalt's 60V FlexVolt platform with a brushless motor and electric brake for stopping the blade quickly after each cut. Buy Now at eBay
- 60V MAX FlexVolt brushless motor
- Cuts with a 7-1/4" blade
- Built-in electric brake
- Tool only, battery not included

Update: The price has changed to $39.99 since this was originally published.
Compact enough to handle quick trim cuts or tight spaces where a full-size circular saw is overkill, and it comes with two blades to get you started. At $38.24, that's only about $1.75 off the $39.99 list price. Buy Now at Amazon
- 3500 RPM motor for clean cutting
- Laser and rip guides for precision
- Compact 5.5 lb design for maneuverability
- Ergonomic non-slip handle for one-handed use
- Vacuum adapter for dust-free operation