[Flexvolt, Supreme System still nothing better to this day.]

[Dewalt SDS DCH253 or Dewalt SDS DCH273]

Biggie is correct 

[DeWalt 745 Table saw mitre won’t reach 45 degrees]

Debris in the pivot points . Open the cover and clean it out

[DeWalt oscillating multi-tool issue]

Gotta be the battery or your exerting to much force on it to stall it. Also are you using at least a 5ah on it?

[Dewalt DWE560 Circular Saw]

Comes with a guardrail. But you should return it and get the dcs578 flexvolt 60v

[Dewalt dcf899 1/2” impact]

Had to beat on for 3 years constantly and using it above what it’s rated for. We have 4 and no problems 

[Advice on 2nd fix nailer, air vs electric]

That dewalt battery compressor will run All pneumatic finish nailers and a hanger gun no problem all day,. It will have air for a framing nailer but it would run constantly.

[Dewalt 20v circular saw blade alignment]

Why are you using a base to make a cut? You should be using your eye on the line either outside the saw or through the “ window” of the body of the saw, if your just making rough cuts then the guide is fine 

[7491RS Table Saw Switch replacement?]

Check a pawn shop or yard sale for a cheap saw to switch it out