Im also a dewalt fan. Nothing wrong with milwakee, but with discounts the Dewalt is a GREAT deal cheaper, and they serve me well. I have everything upgraded to the flex volt battery. The 20V and 60V can both use the flexvolt battery. The 20V battery only works on 20V or 18V with an adpater that makes the tool more awkward than a one legged midget in a butt kicking contest.
I use the 20V fans in the tent, 1/2 inpact, angle grinder (master key when the world ends), compact reci saw (better and just as useful as the chain saw, really a fan of them), have the 12V adapter and built some rope llights for the tents etc. That about all I would take on the trail.
For the home I have pretty much everything else including the 60V weed eater and 20V hedge trimmer. The lawn mower sucks ass, went 80V greenworks with the 80V leaf blower and snow thrower. All electric at my place and I like it.
Also the Dewalt charge station takes 4 20V batteries and make AC with a modified sine wave, great for running fridge, motors, etc during power outages or JIC. I use the goal zero yeti for the TVs/ pellet grill/ etc.