2. Depending on the size of the game, is how well planned they are. Example Operation Mason Relic 3 sign up was posted in January I think and the game was in Late May. But on our local forums small skirmishes are sometimes planned in 2 days advance.
3. In saskatchewan, summer is our prime, winter it slows down A LOT. We are lucky to have one game every 2 months.... but your area much be more active in the winter.