Use code UDMY10ALL to purchase select online courses for $10 at Udemy. This is a savings of up to 90% on many courses. Udemy is currently offering a sitewide promotion of every course for $24 or less, but the code UDMY10ALL will drop the price further to $10. Take classes in everything from web development, self-publishing, public speaking, photoshop, yoga and more. This is a rare discount, because most of the time the $10 promotion is only for a specific subject. Each course offers unlimited lifetime access to the lectures and materials on both computer and mobile. There is also a 30-day money back guarantee. Certain exclusions apply. There's no sales tax.