you press F10 or F11 if u used Quick Chat, but other players may use an auto-typer which is illegal and you will get banned for using one
You don't.
you cannot get random events anymore.
Usually Runescape holds only events for major universal holidays. Usually, once a holiday is introduced into the game, events will follow through future years. The only repeat of an event was thanksgiving in 2009+2010.
Many people in Runescape use autotypers to repeat a message at specific intervals. This is against the rules, but it's likely no one will care enough to report you. Also, if you are using quick chat, you can press F11 to repeat the last thing you said in quick chat.
Redundant.
Repeat is a noun (a repeat) and a verb (to repeat).
The verb for repeatedly is repeat. As in "to repeat something".
The verb for repetition is repeat. As in "to repeat something or someone".
All you have to do is mine, woodcut, fish, and once you get a full inventory drop it all and then repeat
Repeat it.
Run to air altar ans use pouches there, create runes then bank at Draynor or Falador and repeat.
Answer Walk around, till you find 1 gold, lying on the ground. Pick it up. Repeat 99999 times.