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Update at 11:45 PM ET on Saturday May 31: I have sent a referral to all who have requested. To spread the love, I won’t send out any more. If you want a referral, contact one of the commentors offering to send referrals.

Until June 30, 2014, the Starwood Preferred Guest personal and business credit cards are offering 30,000 bonus Starpoints each to new cardholders who are referred by existing cardholders. This deal is much better than the current public offer of 25,000 bonus Starpoints and matches the best deal we’ve ever seen on two amazing cards.

The applicant will get 30,000 bonus Starpoints:

• 10,000 bonus Starpoints after first purchase
• 20,000 bonus Starpoints after spending $5,000 in the first six months
• $0 annual fee the first year, $65 thereafter. See Terms and Conditions of emailed offer for full details.

The referrer gets 5,000 Starpoints.

This sign up bonus is identical to the deal that ran last August that many of us got in on. Back then I got the personal and business Starwood cards on the same day. After spending $5,000 on each card, I had 70,000 total Starpoints (60,000 bonus Starpoints plus 10,000 for the spending.)

Great Uses of Starpoints

Seventy thousand Starpoints transfer to 85,000 American, US Airways, Delta, and dozens of other airlines’ miles, since Starwood gives you 5,000 bonus miles for every 20,000 points transferred to airline miles.

So far I’ve transferred 20,000 Starpoints to 25,000 US Airways miles to top up my account for a dream First Class award to the World Cup in Brazil. And I used 6,000 to win an auction for a once-in-a-lifetime meet and great with the band Capital Cities in Argentina.

I value Starpoints at 2.5 cents each, and I certainly got more value than that from both redemptions. That means that the 70,000 potential Starpoints you can earn by getting both cards are worth $1,750 to me.

Here is my Starwood primer, so you can understand how to use Starpoints for transfers to airline miles, hotels, and all the other great uses.

Here are some in-depth articles on top uses:

• How to Get 10 Nights in Hawaii and First Class Flights for Free (Nights & Flights Awards)
• A Chance to “Buy” Starpoints for 1.1 Cents: Starwood Cash & Points Awards (Cash & Points Awards)
• How to Transfer SPG Starpoints to Airline Miles
• Moments by SPG: Redeem Starpoints for Experiences

As far as I can tell, the only way for an applicant to get this 30k bonus instead of the public 25k bonus is to be emailed by a current cardholder. I currently hold the personal and business SPG cards, so I can refer people.

Comment on this post with whether you’d like a referral to the personal offer, business offer, or both. The comment form asks for your email address, which I can see, but which is not public, and that’s where the offer will be sent.