Answer:
The style of this declaration is rhetorical – that is, it sets up a series of questions which it then proceeds to answer through logical arguments. Behind these answers lie counter-arguments that do not show in the text, but which any reader of the day would have recognized.
Explanation:
In this scenario, yes, you should wait. If you know that there is a possibility that you won't even show up and that there will be extra seats anyways, there's absolutely no reason you should rush to buy the tickets and risk wasting money.
They express complete thought