Sort of on and off topic: (Now that the swearing and tears have stopped, you can read along, and laugh with me over this.

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I've owned a larger Sharp Aquos flat screen for several years, and have been very pleased with it. So when I needed a second set, it was easy: I bought a 43" Sharp Aquos from Costco.com for a smaller sitting area off my kitchen. It was at a great price, free shipping, and came in quickly, so I was really looking forward to getting it mounted on the wall. I bought a tilt/swivel articulated mount, and I was all set. Last Saturday, I started the process. As the saying goes - "And then the trouble started."
After carefully measuring the wall where the mount needed to go, I discovered the tilt/swivel base needed to go exactly in the empty space between the studs. And I knew that wouldn't work. Called my brother, the contractor, and he told me all about how to cut a piece of 3/4" plywood to span the distance, paint it the color of the wall, and mount the bracket to that. I opted not to do that, because the TV needs to fit as flush to the wall as possible.
So out to the car I go, and I returned the tilt/swivel mount bracket to Costco, and I bought a different style, that I know mounts more flush. I gave up the flexibility of swinging the TV out from the wall so it could be seen from the kitchen, for the convenience of knowing it'll fit the wall space. (Insert my profanity-laced tirade over dealing with a refund on Saturday at Costco. My spouse is a Refund Cashier at Costco, I know you should NEVER go for a refund at Costco on a Saturday! We don't even shop there on weekends! But I digress...)
I finally get the second bracket mounted, and attach the TV. I get the wires routed, connect to the stereo, I get everything put back together, and the furniture placed back, and I'm SO very proud of my handyman skills. It looks AWESOME! I sit down in "my" chair with a cold beverage, pick up the TV remote, and then I turned on the TV for the first time...
You guessed it: There is a HUGE flaw in the screen!!! What the *&^@$*%!!! It has some sort of internal damage to the edge of the LCD that creates a swirling half-moon shape arcing down the left side of the screen. Absolutely no way it's even watchable. (Insert more cussing here. Lots more...)
I know it's a factory thing, and not Costco's fault, but it also means I have to take everything apart, repack the TV, and go back to Costco AGAIN, for ANOTHER Saturday refund. &$%#^*! Double &$%#^*!!!
After what seems like hours later, I finally get my refund, and I go to buy another TV. And guess what? NO Sharp Aquos sets in the store. They have a lot of other sets, nice pictures, nice features, but nothing that is the size I want. Do I go shop elsewhere? Do I buy another Sharp online and take my chances? I want my TV now, not next week. I finally decide on a slightly larger TV, a 48" Samsung set. It has an excellent picture, and was only a little more expensive than what I'd spent for the Sharp. I muscle it out to the car, and load 'er up.
So I get the Samsung home, unpack it, and the first thing I do is turn it on to check the picture - it's fine. Yay! Something finally has gone right! I mount the brackets on the back of the set, and go to hang it on the wall. But the design of the back is different, and the brackets mount higher than on the other TV, so the TV is hanging much lower on the wall than the other one. Crap! This simply won't do.
So, back to the garage I go, getting out all the tools again, and after much measuring and leveling and drilling and such, the bracket is now mounted several inches higher on the wall. The TV is carefully hung on the wall, and everything goes back into place. Once again, I sit down in "my" chair with a cold beverage, I pick up the TV remote and I turn it on, biting my lip...
And it's perfect. Yeah!!! My little quickie honey-do project only took me SEVEN HOURS, and used a whole lot more of my Saturday than I'd planned. But the six o'clock news never looked so good. Now I know if I ever need to hang another TV on the wall, I'm totally prepared.
And before I ever do anything with a new TV again, I will turn it on ahead of time, to make sure it's not messed up. Lesson seriously learned!
Dave