Are you looking for a cheap SSL certificate with a long validity period? SSLs is the right and cheap SSL shop that you should take a look at.
SSLs (ssls.com) is a Namecheap.com's sister company that focuses to offers a wide range of SSL certificates from Comodo like #wildcard, #ovssl, #evssl, at very good prices – As low as $3.77/year. A good point at SSLs is that is you can sign up for your SSL certificates with up to 4 years of the validity period, this is the longest validity period for now.
If you only have one site, PositiveSSL with $3.77/year is good enough for security and save money. In order to protect a domain and its sub-domains, you should choose a Wildcard SSL which also as low as $38.88/y, etc. There are a lot of SSL solutions on SSls, so you can choose one that best fits your needs.
Especially for every SSL you buy, SSLs will donate $1=1 tree to @teamtreesofficl. As of today, over 50k+ trees planted by ssls.com community.
Happy New Year All 🙂