When you buy one of these: $99 Drill/Driver , or $99 Hackzall saw , or $169 Brushless impact driver , or $199 Inspection Camera ,
You get one of these $79 bare tool or battery for free: Impact driver , Right Angle Drill , Oscillating tool , 12V 4Ah battery .
This makes a good start of M12 lines, you can have a "Drill/Driver & Impact Driver combo" at $99, or make other combinations. Home Depot website also have these combo promotions. However, the drill/driver kit and Hackzall saw kit are now discounted at $99, which is not adjusted on website.