0canucksgirl 9 years ago Pro Membership costs 39.95 for 2 years OR 1.95 per month (billed annually). So... 1.95 X 3 = $5.85 You can pay with a credit card, amazon payments, pay pal, or mobile payments. SIGNUP HERE. The other way to get Pro Membership for FREE is to write a good instructable that gets "featured" and you'll be given pro as a reward. To learn how to write a good instructable read this article.