AMEX Sync: Spend $150 on Amtrak, Earn $30 Back
American Express Sync is offering a $30 rebate on a $150 purchase made with Amtrak. You can typically add this promotion to your registered AMEX card(s) either by logging into your account online, or via Facebook, and sometimes Twitter. Offer terms: Offer valid in station and online at Amtrak.com. Purchases through 3rd party travel agents…