Don't know if this works with Goldpoints, but with Mypoints, this is how I get myself gift certificates with no shipping charge and Mypoints points:

1. Go through Mypoints site to giftcertificates.com.
2. Purchase a Supercertificate to send to myself.
3. Redeem the Supercertificate for a paper giftcertificate to mail to me at home.

I use the same e-mail address for the entire transaction.

By doing this, I get mypoints points for purchases at places I'd go to anyway, i.e. Blockbuster, AMC Movies.

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On the road,
In the air,
I enjoy travel
From here to there.