What is this, 2005? StartSSL offer free SSL certificates that are trusted by all browsers. If that's too cheap, you can get a Comodo certificate through Namecheap for $10 a year...
If you can afford a domain, you can afford an SSL certificate...
Have you not been paying attention to the Heartbleed thing? StartSSL is a scummy company that breaks the rules they've agreed to with browser vendors. I would not trust them if I had a choice in the matter.
I have a bunch of domains which, frankly, I don't care enough about to pay money for an SSL certificate for.
If you can afford a domain, you can afford an SSL certificate...