Tip of the Day: Don’t Buy Faulty Memory Cards on Amazon – Look for One Star Reviews.

John C. Dvorak sometimes buys memory cards on Amazon.com. Usually, they’re fine, but sometimes people report buying faulty memory cards from bogus vendors. Mimi Dvorak reports that Ali Express is even worse so don’t buy there.

To weed out the bad vendors on Amazon, Dvorak recommends searching Amazon for one-star reviews. Usually, the bad vendors with faulty cards are revealed in these reviews.

Here are some good SD memory cards on Amazon from the SanDisk Store.