5 sentences help needed please?

Could you please take a look at this for me?

1 I'm not so close to her as to be able to ask her for money. (is the SO AS TO form only used with an non assertive clause?)

2 Can you see until what time we're open?
3 When I don't get unlucky, which I always do, I win.
4 Tell us on what day exactky that your account was closed.

5 The rapper decided to widen his fan base and started doing some hip hop. (is the word Fan Base I'm looking for?)

thank you