chinpakt,
You wanted it, you got it!
1) Yes, it does.
2) The default (which cannot be changed) is 32.
3) The Ultimate package should easily serve your needs. We do offer a 30 Day Money Back Guarantee and you can always upgrade to a larger plan.
4)wildjokerdesign answered that perfectly. You save on average 3-4 bucks a month if you pay annually.
I hope that helps you out. Let us know if you have more questions.