Home Depot has free batteries or bare tool with purchase of select Milwaukee M12 tools, batteries and combo kits.
Full listing of deals:
https://www.homedepot.c
Sample deals:
M12 Drill-Driver, Impact Combo with free multitool $150
https://www.homedepot.c
M12 FUEL Drill-Driver kit with free multitool $169
https://www.homedepot.c
M12 FUEL Stubby Impact wrench 1/2" kit with free 6AH battery $269
https://www.homedepot.c
M12 1000 Lumen Rover Flood Light with free 2AH battery $79
https://www.homedepot.c
M12 Copper tubing cutter kit with free 2x 1.5AH batteries $169
https://www.homedepot.c
M12 FUEL Hackzall kit with free multitool $179
https://www.homedepot.c
M12 FUEL SDS Hammer kit with free multitool $199
https://www.homedepot.c
M12 6AH battery with free M12 3AH battery $99
https://www.homedepot.c
M12 400 Lumen LED lantern with free 2AH battery $49
https://www.homedepot.c
M12 4-in-1 FUEL Installation Drill Driver kit with free 2x 1.5AH batteries $229
https://www.homedepot.c
And many more…