TSL/SSL Certificates: Which CA do you recommend?

Folks browsing the web like web sites to have authenticated TLS/SSL Certificates.

Unfortunately, the certificates on the open market are out of the price range for small web sites. I noticed that most sites in the crypto-world generally have TLS certificates.

So, I thought I would ask the SteemIt community: Where do you get your TSL certificates?

NOTES: Wikipedia says that TLS (Transport Layer Security) replaced SSL (Secure Sockets Layer) but that most people call TLS SSL ... proving you can't teach old geeks new acronyms.

I found a site called https://letsencrypt.org that claims to be a Free CA. They are using Certbot to automate maintenance.

SteemIt appears to be using a certificate from Amazon's AWS service.

Prices seem to be dropping:

Comodo has a free certificate that lasts only 90 days. GoDaddy lists certificates for $60/year.