e.g. original money = 10k day1 new money = 50k day1 thru 10 promotion interest = 50k X 2 % X 10/365 day11 withdraw = 55k day11 promotion interest = $ 0, day1 thru 10 earned $ will be paid out at end of promotion (highinterestsavings.ca)
All transaction inquiries must be submitted to US Airways Dividend Miles within 90 days from end of promotion. (austravelpoints.com)
This is both a pro and a con, as a free book will get some epople downloading it, but this does not mean a large push in sales after the end of the promotion. (hubpages.com)