SEATTLE -- At Tottini in South Lake Union, the toys are for the kids and the deals are for the adults.

The children's furnishings store mailed out a newsletter to customers Sunday night announcing 15 percent off nearly everything for those who buy online Monday.

This year is our biggest discount that we've offered, said co-owner Melissa Maffei. It's a huge marketing tool to drive business to our brick-and-mortar store as well.

This year's Cyber Monday is expected to be the biggest online shopping day of the year for the third year in a row. Research firm comScore saidAmericans are expected to spend $1.5 billion, up from $1.25 billion last year on Cyber Monday.

I expect it to be crazy, said Todd Martini, who runs Alex's Coupons, a coupon mega-site.

He expects to post at least 2000 to 3000 coupons Monday. But he does not think Cyber Monday will be the busiest online shopping day of the year.

Over the next three Mondays, there'll be Cyber Monday 2, Cyber Monday 3 and Cyber Monday 4, Martini said.

And as Christmas gets closer, the deals just might get better.

If you see a great deal [this Monday], hop on it immediately, Martini said. But if you see one that's just sort-of middling, not that great, wait a while.

Martini started the site in 2001 to raise money for his daughter, who was battling leukemia. Alex, now 15, is healthy and some proceeds from the site now go toward other childhood cancer charities.

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