Do you know Namecheap is offering free 50 SSL Certificates in a year?
The offer applies when you register for any hosting plan, which will be awarded a Free SSL year corresponding to each domain and subdomain added to the system. Up to 50 Free SSL per cPanel account.
Currently the cheapest hosting package at Namecheap is Stellar which costs just $2.88/month, quite cheap. If you are in need of multiple Positive SSL certificates, Hosting at Namecheap is a good idea.
In addition, the renewal of this certificate in the second year will be 50% discount. See details here.
Refer to the configuration of the Hosting plans and register here.