This is your last chance to get repeat bonuses on your favorite American Express personal cards.

Currently you can get the sign up bonus on an American Express personal card every 12 months. So if you got the bonus on, say, the SPG card in February 2013, you can get it again today.

Starting May 1, you will not be able to get a sign up bonus on an American Express personal card if you have ever gotten that bonus in the past.

I really like the Blue Cash Preferred® Card from American Express quite a bit as a rewards card.

The card offers an unbeatable 6% cash back in the form of

Updating this post

Register all your American Express credit and charge cards today, spend $10 on each one this Saturday November 30 at a small business, and receive a $10 statement credit on each card.

This is the easiest win-win-win promotion of the year.

These offers have expired so their links have been removed. Click here for the top current credit card sign up bonuses.

Recently, United and Delta have devalued their award charts. At the same time, the banks have really stepped up their offers for fixed-value bank-point cards that earn rewards ideal for economy class travel.

Researching another post, I tried to include a link to the Platinum Card from American Express Exclusively for Mercedes-Benz because it was the best personal sign up bonus for Membership Rewards at 50,000 Membership Rewards for spending $3k in three months.

If the Mercedes-Benz version of the card is dead, then the best Platinum card offers is the standard offer of 25,000 Membership Rewards after spending $2k in three months.

Sure there is a $450 annual fee--the Mercedes card had a $475 annual fee--but you can get easily more than $500 in statement credits plus worldwide airport lounge

The Business Gold Rewards Card from American Express OPEN is one of the best credit cards on the market with 30,000 bonus Membership Rewards after spending $5k in three months, several lucrative category bonuses, and automatic 5-10% discounts from dozens of companies through American Express OPEN Savings.

A new category bonus has been added to the card.

If you apply for both the personal and business card today, you'll have 60k Starpoints after meeting the minimum spending requirement after meeting the minimum spending requirement of $5k per card in the first six months.

Update: Several--if not all--of these offers have expired.