Instruction: Answer the given question using the supporting document.

Input:
Question: I live in an apartment.  How many bolts are drilled into the wall to hold up this mount?  Thanks.
Document: Saw the picture of the guy sitting on the mount and I didn't believe it, until I got it home and installed it on the wall and did it myself. I am sure this thing will hold the weight of the tv for years to come it held me! This mount is very skinny and gets closer to the wall then many other ones I have seen. My 50 inch has a new home now and it I really enjoy it.
worked exactly as described, and was not difficult to install. took about 75 minutes by myself, I am sure it would be somewhat faster with another set of hands. the mount hold securely to the wall and it is easy to articulate the mount into whatever position you require, within it's capabilities. when I need a tv mount in the future, I'll not bother looking for a different mount, it would be very difficult to improve on this design.
Very easy to install the mount to the wall. Just four lag bolts into a stud and it is very sturdy.Make sure you're in a stud due to the weight.Biggest problem I had with installation was getting my 65 pound TV up high enough and seeing the back where the TV connects to the mount. This is a 2 person job!Would have rated as 5 stars except the adjustment for the vertical angle doesn't have enough friction to keep the TV from pointing down.
I will preface this by stating first that the TV this is supporting is at the very top of it's range size wise. I have 50&#34; Samsung plasma TV in my living room cornered, not flat against a wall. I bought this as a lower cost alternative to the $150-$200 wall mounts available. The materials in the bag are all decent quality metal, nothing flimsy - no bolts sheared - nothing bent.
we love the tv mount. There is no sag and it is easy to move and swivel. a friend of mine installed the mount and I was there just to help hold the 47&#34; Vizio. it took us about a half hour and instructions were easy to read. I'd definitely recommend this mount.
The rotation is done very well also, even though I did not need to use it since I centered the mount perfectly.The tilting is also EXCELLENT. Too many other mounts do this terribly with requiring you to adjust screws manually. This mount has two levers on the back that function like reverse engineered screw drivers. Simply tighten, pull the lever so the screw doesn't move and pull it to the beginning and loosen again.
Gave it a 5 star rating because it met all my expectations! Well-made, able to level it after mounting - holds my LG 42&#34; LCD perfectly.Best Buy wanted over $170 bucks for the same kind of wall-mount. Needless to say I couldn't beat the price for this one!
Found a stud and anchored to the wall and the TV is mounted. All in all very good and I'm happy with the purchase vs. the price I paid. I will state the the mount itself is sagging a bit causing a rather constant forward tilt even with the tilt lever all the way back. It's not falling off the wall or even noticeable to the naked eye but it's definitely off by about a half inch. No biggie.
It's not easy to hit a stud directly in the middle with a lag bolt through a wall sight unseen so this kind of concerns me- did I hit it dead center? I hope so. It's nice to be able to fully articulate the mount to have full access to the back of the tv and wall. I don't like the tilt adjustment- it barely keeps the tv from tilting with some heavy duty tightening of the levers on the back.
We have a 32 inch TV In our bedroom we have always wanted mounted so I saw this a tested it out. and I'm glad we did I love how it works and I really love how clean everything is, looks like a pro did it. With this mount you can always get the tv very close to the wall which is what we wanted so it would stay out of the way. but we also like that fact it pulls away from the wall too to view it at different angles.
Answer: 4 vertical holes in one stud. For massive lag bolts with 9/16 hex.    Top to bottom 15"  HEAVY DUTYSuggest thin buffer between wall and mount..   less texture and sheetrock damage