How about Lets Encrypt SSL certificate ?
Free SSL Certificates available in the industry will make your website and business look odd if your visitors and customers check what type of certificate you have. And online users do check what SSL certificates are installed on websites because they want to know how the secure website it is and it is safe to create an account on that website or to buy.
PS: Didn't know you can tell whether the SSL certificate you are running is free or not.
Issued to: Hostingdiscussion.com
Issued by: cPanel, Inc, Certification Authority
Valid From: 07/09/2018 to 07/12/2018
Issued to: dog-bedz.co.uk
Issued by: COMODO RSA Domain Validation Secure Server CA
Valid From: 04/07/2018 to 05/07/2019
Let’s encrypt is a free , automated, and open ssl certificate. we need to install ssl certificate on web server to start a secure connection with browsers.ssl certificte secure the traffic between web server and web browser. After installation of ssl our website from hhtp to https.