Good price, with the ICANN fee of $0.25 the total comes to $1.24
$0.99 price good for the first year of one new or transfer .COM per customer.
Additional years or .COMs may be purchased for $9.99 per year.
Mod: please note, deal says I'm a referer but I'm not, it's just a coupon
Full terms and conditions here
I signed up with Godaddy initially because of the low initial cost, but it's the renewal that matters. Not to mention that Godaddy want payment in exchange for not publishing all your contact information online. Other registrars provide privacy protection for free (e.g. Gandi).