25000
Needles are currently worth 1 GP apiece.
If your referring to the Grand Exchange item buy limit, it takes four hours to reset
No, treasure trials have a 2 buy limit every four hours on the Grand Exchange. Flip items that have a higher buy limit on the Grand Exchange like runes, d'hide and items people will be in demand of. Guthix plateskirts won't sell as well as platelegs, platelegs generally sell higher and faster than skirts.
The dark court, school, Pins and needles
in the grand exchange. You have to right click the clerk and press exchange grand exchange clerk
No, it's only in the main Runescape the Grand Exchange was made.
You can buy them from the grand exchange in varock. you can buy almost anything from the grand exchange
There is no special "Grand Exchange account". You have your RuneScape account (just log in normally); you go to the Grand Exchange and start buying and selling things. First, you have to talk briefly to the guy (NPC) with the megaphone, south of the Grand Exchange. This is once only.
The Grand Exchange was introduced on 26 November 2007. Note that the "Old School" version of RuneScape is a bit older than that; it doesn't currently include the Grand Exchange.
Item prices on the Grand Exchange vary from one day to another; to get the latest price, check the Grand Exchange on the Web page.
In the Grand Exchange.
You can always sell them to a player...or grand exchange(ge,ex<etc.)... or u can sell them in the genral store. But i would sell em on the grand exchange