Question on Chating

Hello i have been playing for awhile and have been getting into the WTS or want to sell. Well i dont type fast and when i get a weapon or something i would like to sell i want to type it once. So can some one tell me how to resend the message with out having to type it again i have seen it done and when i ask they say figure it out. So i Hope i am going to figure it out here have been having good luck getting anwsers here.

Enter + Up Arrow

Ok thank you for the help

I didnt know you can do it that way, i just type then Shift+Home, Ctrl+C, then Ctrl+V everytime.