Come prepared. I always bring rain boots and a rain jacket, a hat, and sunglasses because the day could start out sunny and end up rainy. I also bring water, snacks, and notebooks in my backpack. And bring cash in small bills! Have your money in $20s and under.

Set a budget. And don't go over it.

Q: What are your favorite flea markets in the country?

A: I'll list them without getting into the specifics about when and how often these markets are held—you can find all that information on the Internet:

• Kane County Flea Market, St. Charles, Ill., $5

• Rose Bowl Flea Market, Pasadena, Calif., $8

• Melrose Trading Post, Los Angeles, Calif., $2

• Marburger Farm Antique Show, Round Top, Tex., $10

• Brimfield Antique & Flea Market Show, Brimfield, Mass., $5

• First Monday Trade Days, Canton, Tex., free

• What Cheer Flea Market, What Cheer, Iowa, $1

• Downtown Oronoco Gold Rush Days, Oronoco, Minn., free

• 127 Corridor: The World's Longest Yardsale, 630 miles from Defiance, Ohio, to Gadsden, Ala., free

• A Paris Street Market, Littleton, Colo., free

• Hell's Kitchen Flea Market, New York, N.Y., free

For more information, check out Sue and Ki's website, junkmarketstyle.com.