Cost!
As mentioned, everything now needs a third wire. Instead of small devices having switches with one pair of contacts they would have three pairs of contacts. The same goes with circuit breakers. The space required in a breaker panel goes up a lot, and you have an extra bus bar in the...
I thought about just buying my own hose and not even thinking about their hose. I would rather not fuss with any problems on an expensive reel, and I find it hard to believe that they are skimping on the hose. For instance, I wouldn't want to go buy my own 50' hose only to find it is a bigger...
I've been looking at a couple of models of Coxreels and Reelcraft air hose reels. I'm tired of everyone stepping on the hoses and always having extra hose piled up in corners to get it out of the way. Everyone talks about how great these reels are but I don't see anyone talking about the hose...
I just use a "solid wood dolly" from Tractor Supply for the same reason. It costs less than your material list and didn't take any of my time to build.
I have found such a thing to be pretty handy. I also have a few regular furniture dollies that are very nice for things that are big and have...
I haven't tried this, but what about plumbing it through a water separator and letting the tank drain off the air through a petcock valve on the outlet of the water separator? When the air pressure is gone just open the valve on the bottom of the water separator and let it drain into a bucket...