4. If you leave and return prior to your enter before date that is stamped on your visa, you are given another one year extension. If you leave during that extension you will need to purchase a re-entry permit.
You are asking for a bit of a prediction of the future. Life is made up of probabilities. I would consider the odds as best I could and make a decision on the implications of those odds.
Kelly Denise Wyatt I use my doctor - just drop the form off, he signs and the staff mails it back to me at no charge. $12 for the notarized police check. I go to my US bank and have a staff member complete and sign a letter on bank letterhead showing my account balances as of that date - no charge.