I am so sick of making threads and putting a lot of thought into them and having a moderator locking it and giving a link to the original thread that sometimes isn't at all the same idea. Sometimes it is the same topic but it is not the same point.
The Mods are here to keep Ag clean and not full of spam. They always lock thread because you probably has made a dup of a recent thread. You should read through the first few pages of the forums before you make a thread.
If there is another thread of the same topic that was made within the last two months, you need to post there. If it's later than that then you can make a new thread (I don't suggest it if the original was locked). You also need to make sure your thread isn't covered by a stickied thread.