Howcast - Learn how safe and effective spermicide is in this Howcast video about birth control.

Howcast - Learn about the possible side effects of spermicide in this Howcast video about birth control.

Howcast - You can often buy merchandise at a significant markdown when you cut out the middleman and purchase directly from the manufacturer.

Howcast - Learn how to avoid buying products that have been made using forced or indentured child labor.

Howcast - More than 6 million Americans age 55 and older have attended a free lunch investment seminar. But most of these so-called seminars are actually sales presentations, where the attendees are often pressured into making unsuitable...

Howcast - Persuading someone to buy is not always as easy as it sounds. Follow these steps to get your products moving off the shelves.

Howcast - Learn how to pick beads and string for beaded jewelry with this Howcast video about how to make jewelry.

Howcast - Becoming a knowledgeable consumer takes a little extra effort, but it pays off in the end.

Howcast - Learn the pros and cons of shaving with shaving cream, soap, shaving gel, and shaving foam in this Howcast video.

Howcast - Learn the pros and cons of manufacturer coupons versus store coupons in this Howcast video.

Howcast - Learn how to wrap cookie dough in puff pastry in preparation of deep-frying it in this Howcast video, part one of a two-part series.

Howcast - Learn how to style short bangs in this hair tutorial from Howcast.

Howcast - Learn how to get free samples and travel-size items in this Howcast video about how to save money using coupons.

Howcast - Learn how to use deal-of-the-day sites in this Howcast video about how to save money using coupons.

Howcast - Learn how to use mobile coupons and savings apps in this Howcast video.

Howcast - Learn how to use rebates to get items for free in this Howcast video.

Howcast - Learn about parts modeling and specialty modeling from model scout Trudi Tapscott in this Howcast video.

Howcast - Learn how to use bowling tape from former PBA touring player Mike D'Ambrosio in this Howcast bowling video.

Howcast - Learn how to apply sunless tanner correctly from licensed esthetician Joanna Vargas in this Howcast video.

Howcast - Learn how to take care of your skin on vacation from licensed esthetician Joanna Vargas in this Howcast video.

Howcast - Learn how to make your laundry eco-friendly in this Howcast video featuring Alegre of Green and Greener.

Howcast - Learn two easy ways to make your child's lunch eco-friendly in this Howcast video featuring Alegre of Green and Greener.

Howcast - Learn how to green your beauty routine with this Howcast video featuring Alegre of Green and Greener.

Howcast - The geometric mean of two numbers is the square root of their product. More generally, it is the “nth” root of the product of n numbers.