We may earn a commission from links on this page. Deal pricing and availability subject to change after time of publication.If youre looking for tools to up your DIY game, you've probably noticed that they can be expensive. Buying new tools to expand a set or replace worn-out ones adds up quickly, but having the right tool for the project youre working on can cut your work time in half and get you better results. DeWalt tools are on sale right now on Amazon for up to 57% off, so you can build out your toolkit without spending your whole DIY budget.Cordless tools setsIf youre building out a new set of cordless tools, a combo set is a good way to get started. Sets will come with the chargers and batteries you need to run your tools, along with the tools themselves. These sets are on sale to make starting a cordless tool set cheaper.The DeWalt 20-volt drill and driver combo set is on sale for $124.00, 48% off its regular price. The set includes a 20-volt drill, a 20-volt, quarter-inch impact driver, two 1.5-amp batteries, a 20-volt charger, and a tool bag. This is a good starter kit for doing beginner DIY projects like hanging shelves or mounting a TV on the wall.The DeWalt 20-volt 9-tool set comes with a 20-volt drill, a 20-volt impact driver, a 6- inch circular saw, a reciprocating saw, a 4- inch angle grinder, an oscillating tool, a inch right angle drill/driver, a work light, a Bluetooth speaker, two 20-volt, 2-amp-hour batteries, a 20-volt charger, and two tool bags. Its on sale for $599.99, 37% off its regular price. This kit is a good foundation for a robust DIY tool set, but it only comes with two batteries, so if you plan to use multiple tools at a time, you might consider getting one or two more batteries and an extra charger so you can keep going while your spare batteries charge. DEWALT 20V MAX Cordless Drill Combo Kit, 2-Tool (DCK240C2) $124.00 at Amazon $239.00 Save $115.00 Get Deal Get Deal $124.00 at Amazon $239.00 Save $115.00 Tools only dealsIf you already have a DeWalt cordless tool set, you can still get a good deal on expanding your kit. Tool-only deals are great if you already have batteries and chargers and need a specific tool since you likely dont need more batteries or chargers to use it.The DeWalt 20-volt, hand-held flashlight/work light is on sale for $35.84, 57% off its typical price. The flashlight is small, but you can also use the ring at the top to hang it and use it as a work light.The DeWalt 20-volt, 6 inch circular saw is on sale for $99, 38% off its usual price. The saw comes with one fast-cut wood blade included, but no battery.The DeWalt 20-volt, 4 inch angle grinder is on sale for $121.25, 45% off its typical price. It comes with a side handle, but no grinder wheel, so youll need to pick out an appropriate wheel or blade to use it.The DeWalt 20-volt reciprocating saw is on sale for $119.99, 50% off its regular price. It doesnt come with blades or batteries, so youll need those to use your saw.The DeWalt 20-volt, 18GA narrow-crown stapler is on sale for $224.95, 47% off its usual price. This tool can drive staples without the need for a pneumatic air tank.The DeWalt self-leveling laser is on sale for $166.99, 37% off its typical price. It has a 100-foot throw and can be used for leveling decking, shelves, drywall, grading gravels, and plumbing posts. DEWALT Laser, 5-Beam (DW085K) $166.99 at Amazon $264.99 Save $98.00 Get Deal Get Deal $166.99 at Amazon $264.99 Save $98.00 Batteries and bitsIf you already have a DeWalt set and you need bits or to replace or expand your batteries, there are some good deals on these tools as well. Having the right bits and adapter can help you get your DIY projects finished without so many trips to the hardware store.The DeWalt 40-piece impact bit set is on sale for $24.53, $39% off its regular price. This set includes several driver tip types, a bit extender for hard-to-reach spots, and a quarter-inch adapter for sockets.A set of two DeWalt 20-volt, 5-amp-hour Powerstack batteries is on sale for $187.49, 46% off its regular price. These batteries are lighter and smaller than traditional lithium-ion batteries, so they can be helpful on longer jobs where you need to use your tools for several hours.