To answer question 3 (and part of 4):
Join localbitcoins.com and buy bitcoins with cash deposit to a nearby bank.

For Bank of America, Wells Fargo, or Regions Bank: https://localbitcoins.com/ad/15776/?ch=4ja

**Immediate. Reliable. Anonymous.**
Your satisfaction guaranteed!
Money refunded if request made within 24 hours of trade.
No questions asked.

Detailed instructions: http://backintyme.com/depos.php

My profile and feedback: https://localbitcoins.com/accounts/profile/coqui33/?ch=4ja

FAQs: http://backintyme.com/deposfaq.php

I have no answers for the other questions.