Gilt Groupe's Final Sale: Preview the Goods and Sign Up for Early Access Here!

2. Don't be blinded by the discount.

To avoid buyer's remorse, ask yourself, "Would I still want this if it were full price?" (the key word being "want," not "afford"). If the answer is yes, you've found yourself a bargain.

Gilt Groupe is giving Lucky readers two days' early access to its upcoming August 8 blowout sale (Don't have your code yet? Here's how to get it!), which leaves only this coming weekend to prepare. To help build your deal-hunting muscles before Monday, we've asked the site's women's editorial director, Tracey Lomrantz Lester, for her best discount shopping tips. Click through the above slideshow for her expert advice—and a sneak peek of the upcoming sale!—now.