The garbage man is going to hate me, as I just threw my M18 drill and driver into the trash, along with my two Sawzalls, Thunderbolt rotary hammer, and two 1/2" Hole Hawgs.  Oh, and my Hole Hawg mixing drill, and my 60* angle drill.  Quite a load, but they are junk, so now I will use my pocket knife to cut stuff and make holes.  Can't go wrong by keeping it simple!  Thanks, OP!  

I have a friend who has been brand-loyal to Dewalt for many years.  He came to help me hang some top cabinets in our kitchen and he used my Milwaukee M18 (not FUEL) drill and driver.  It was his first time handling a Milwaukee product.  

Afterward he asked why I had never told him Milwaukee stuff is so much better than Dewalt.  I smiled and said, "Everyone knows that!"  Now I know of two that didn't know it.  

Here's the other side of the coin--

I have two experiences with their CS.  First was a Sawzall I bought at a pawn shop.  It was a little sketchy on holding the blade, as it wouldn't always lock up when the quick connect ring was released.  I called CS--got right through--and they were very helpful.  He asked for some numbers on the tool and determined it was made in 2008, so it wasn't under warranty.  He directed me to a local repair place and told me what to tell them.  Turns out there is a lubrication point I wasn't aware of, which they sprayed with some lube, and it has worked fine since.  I expected to buy a new blade holder--no charge for the lube job though.

I got a helluva deal off Craigs List on a big mixing drill, but it had been treated poorly by someone prior.  I ordered $130 worth of parts from the internet, including a new cord, as the ground prong had been pulled out.  Turns out the new cord didn't have the little "flags" that plug into the switch on it, as more than one method of connecting has been used over the years.  I called CS as I couldn't find them listed on the site I had bought the parts from.  The very nice man (got right through this time too) told me how to fix it, saying a special crimper was needed, but said it is best to solder them on for someone like me.  He offered the local place to do it if I didn't mind paying a few bucks (long out of warranty), but I told him I am skilled at soldering electrical connections.

He said he would get them right out, THEN REFUSED MY CREDIT CARD INFO, EVEN WHEN I INSISTED ON PAYING.  Maybe I'll go dig them out of the trash before the garbage man gets here . . .

Edit:  One thing that has worked many times for me when dealing with CS is to be very polite and "professional."  I explain the problem, answer their questions, and asked what my best course of action would be.  I avoid informing the CS rep he is the son of a whore, and I avoid telling him his company's products are junk.  It's the whole idea of catching more flies with honey than vinegar.  This attitude has served me well.

I'm not saying the OP has done otherwise, but rather, I offer this as a general bit of good advice from an old guy--as that's all we're good for is dispensing hard-earned knowledge.