Instead of having several power tools at home, you might want to consider a multi-tool. There's no cord to restrict you, just make sure you've charged the battery.
Powertool World
DeWalt DCS355D2 18v XR Brushless Oscillating Multi-Tool 2x 2.0Ah Batts
Travis Perkins
DeWalt 18V Xr Brushless Oscillating Tool 2AH Including T-stak with 35 Accs