If you've got hobbies, it's a surefire bet that you spend a lot of time in the garage. But how long has it been since you spiffed up your sanctuary, replacing old tools and shelves? In the interest of upgrading your garage, we've rounded up the week's best tool and hardware deals. Get a garage door insulation kit at a $15 savings, score a Rockwell Bladerunner kit that's dropped $13 since Black Friday, and pick up a Blue Hawk shelving unit for just $20.

1. Reach Barrier Do It Yourself Garage Door Insulation Kit
   Store: Groupon
   Price: $34.99 with free shipping
   Lowest By: $15
   Expires: April 22

   Is It Worth It?: Unless you're keeping a stolen copy of the Declaration of Independence in your garage, we doubt you keep the room climate-controlled. But in the blazing heat of summer, you'll be glad you grabbed this Reach Barrier Garage Door Insulation kit. This DIY kit includes eight 24x48" precut reflective panels that deflect heat during the summer and absorb heat during the winter. A $15 savings, it's tied as the best price we've seen.

2. Rockwell Bladerunner Combo Kit
   Store: Rockwell Tools via eBay
   Price: $149.99 with free shipping
   Lowest By: $43

   Is It Worth It?: Having the right tool for every job usually means giving up a lot of space. If you're looking for one versatile saw that can handle just about anything you throw at it, step up to the Rockwell Bladerunner. This precision cutter can be mounted on a wall, and the bundled accessories allow you to make circle cuts or picture frame cuts with ease. This Editors' Choice cutter has dropped $13 from our Black Friday mention and it's a $43 price low now.

3. Craftsman 57-Piece Drill / Drive Bit Set
   Store: Sears
   Price: $9.99 with in-store pickup
   Lowest By: $15
   Expires: April 19

   Is It Worth It?: Nothing else brings a job to a standstill quite like not having the right size bit. Outfit your workspace with a full complement of steel alloy drill bits and drivers with this Craftsman 57-piece set. Featuring screwdriver bits and nut drivers in all the most popular sizes, this kit can be yours for just $10. That's $2 under our previous mention and $15 off list price.

4. Blue Hawk 2-Tier Plastic Freestanding Shelving Unit
   Store: Lowe's
   Price: $19.98 with in-store pickup
   Lowest By: $13

   Is It Worth It?: Maybe you've never stepped on a rake Sideshow Bob-style, but if your long-handled tools aren't properly organized then it's only a matter of time. Save your lawn tools (and your face!) with the Editors' Choice Blue Hawk 2-tier shelving unit for $20. That's $13 under our mention of a similar unit from earlier this week and a very low price for this storage solution, which measures 35"x35"x17".

5. UltraFire 1,600-Lumen Cree LED Flashlight with Holster
   Store: Micro Digital via eBay
   Price: $9.19 with free shipping
   Lowest By: $3

   Is It Worth It?: No garage should be without a bright, reliable flashlight. At 1,600 lumens, the UltraFire is bright enough to light up any job and even comes bundled with a holster. Equipped with a Cree XML-T6 LED bulb, the UltraFire flashlight boasts five lighting modes, a durable aluminum alloy housing, and water-resistant design. A $3 savings at $9, this is among the best deals we've seen for a flashlight with this bulb.

   Expect this item to take two to three weeks to arrive.