Well, 2 hours is a start, and it sounds like you have some good ideas. I suggest you take a look at my web site below, and perhaps begin at the How to Begin page listed near the bottom of the left index. Then go to the pages that interest you. The big miles that currently can be had are on the Credit Card, Telephone, and Finance pages (especially US Savings Bonds and Credit Cards combinations.) And don't sign up for a program until you look for it in the Airline Registrations and Other Bonuses page. There might be a signup bonus available.
Good luck, and expect addiction.
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