TORONTO - Keep that credit card handy.

There's little time for breather between Black Friday sales and Cyber Monday's online shopping.

Canadian retailers are expecting this Cyber Monday to be the biggest yet.

Experts are even predicting that Black Friday and Cyber Monday could overtake Boxing Day as the busiest shopping period in Canada.

For years, both events were largely U.S. phenomena.

But the hype surrounding the bargain shopping days following American Thanksgiving is spreading north of the border.

Cyber Monday emerged with the advent of online shopping in the 1990's as shoppers wanting to continue their Black Friday spree logged-in at home and at work on the following Monday.

And now Cyber Monday is the busiest online shopping day in the U.S.