A couple of questions

1) I just submitted my application this morning (August 1), but wanted to use my bank statement from the 1st of July to the 31st as my proof of maintenance funds. Is this possible/ok?
2) The only supporting document required from my "documents used to obtain visa letter" is a transcript from my home university. I was going to print out an "unofficial" transcript, which I would assume is still an "original" copy of the document, but should I request an official one, just in case?
3) Are there fees that have to be paid to the biometrics collection centre, or is that fee part of the visa application process?
4) Should I bring my application to the biometrics centre?
5) Are old passports supposed to be sent along with current passports as a supporting document in the visa application? I don't believe I still have my old passport as it expired, so that may be a problem.
Thanks so much

Rachelle