The condition of the program is that you must register SSL for a period of 2 years, if registering for 1 year, the price will be $ 5.88. Comodo PositiveSSL certificate is used almost universally in the world, probably behind every Let’s Encrypt only.
SSLs.com supports payment using PayPal account or Visa / Master international payment card. The price of $ 3.77 is currently the cheapest on SSLs.com, if you need PositiveSSL certificate, please register quickly.
In addition to PositiveSSL, SSLs.com is also offering 46% discount with EV SSL certificate (showing the company name in the browser address bar), only $ 68.88 / year.