There's no standard number; it'd depend a lot on what the warnings are for. It could be possible to go from first post to Delete on Sight without ever touching base with warnings or bans.
Best advice: avoid getting any.
EDIT: Eh, my advice comes a bit late, doesn't it. You'd better jam the brakes on, fast.
Last edited by Ardchoille on Fri Sep 04, 2009 10:10 pm, edited 1 time in total.
Ideological Bulwark #35
The more scandalous charges were suppressed; the vicar of Christ was accused only of piracy, rape, sodomy, murder and incest. -- Edward Gibbon on the schismatic Pope John XXIII (1410–1415).