Low-cost SSL collection (Part 3)

Previously, it was introduced twice:
1. Free SSL and low-cost SSL certificates
2. Introduction to SSL certificates and cheap SSL certificates

Keep adding some more.

1. Namecheap
The minimum price is $2.98/first year. You can add SSL ($1.99/first year) when you purchase whoisguard ($0.99).
Coupon code: WGSPECIAL
Address: https://www.namecheap.com/security/whoisguard.aspx

2. SSLshop
4 USD/year, can be purchased for 3 years, totaling 12 USD.
Coupon code: CMDXMAS50
Address: https://www.cheapsslshop.com/comodo-positive-ssl

3.SSLS
The minimum purchase price is US$4.99/year, and the maximum purchase period is 3 years.
Address: https://www.ssls.com/comodo-ssl-certificates/positivessl.html?years=3

4. SSLTrust
After using the coupon code, it’s $4.86/year, and you can upgrade to Comodo extended validation for free.
Coupon code: V2FZ47LMSN
Address: http://www.ssltrust.com.au/free-extended-validation-upgrade.html