Trial Offer: Choose five DVDs for 49 cents each plus shipping ($1.99 each) when you join the Columbia House DVD Club. You also can select a sixth DVD for $14.95 and a seventh for $9.95. If you prefer to be billed, CH offers five DVDs for $1 each — you can choose one DVD initially and get free shipping, then four additional DVDs once you pay the invoice. Purchase requirement: Five DVDs priced at $19.95 or more within a year (or four if you choose six DVDs when you join). DVDs ship from: Indiana. Categories: Action / Adventure, Comedy, Drama, Family / Children, Sci-Fi / Fantasy. Shipping: $2.99 for one DVD and $1.99 for each additional, with $15 maximum per order. Credit cards accepted: Visa, Mastercard and American Express. Sales tax: Every state except Alaska, Delaware, Montana, New Hampshire and Oregon. Customer service: 812-242-7000 or email. Open to: Residents of the continental U.S. Residents of Alaska, Hawaii, the territories and military personnel with APO/FPO addresses should e-mail customer service for a separate offer. The club is also available for residents of Canada.

Why are Some Clubs More Popular?: Although this guide lists more than 30 online DVD rental clubs, two of them account for 99 percent of the market. They are (1) Netflix, which is by far the largest, with more than two milllion members and 20+ distribution centers. Its standard plan is $16.99 per month to have up to three DVDs out at a time, but it also offers a $13.99 plan that allows you to have two at a time, or $8.99 for one at a time, and (2) Blockbuster Online, which offers new members their first month of three DVDs at a time for 50 percent off, or $9.99 (three DVDs at a time). Alternatively, you can select a free two-week trial. Members also receive a coupon each month for a free in-store DVD or game rental.

Don't Want to Join a Rental Club?: We recommend Intelliflix if you prefer to rent individual DVDs by mail. It charges $4 to $5 each per week, including postage. Intelliflix also has more than 30 distribution centers around the country, so you get your DVDs fast.

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