Comodo Positive SSL for $9/Year offered by namecheap is really very much cheap in price, but there is one more SSL certificate vendor "CheapSSLSecurity" that offers comodo Positive SSL at only $5.99/Year and if you are purchasing it for 5 year then the price is most cheapest at $4.80.
For Wildcard SSL Certificate I've found that "CheapSSLSecurity" offers it at $72.95/Year and $58.36 for 5 Year.
I get basic certs via my domain provider Gandi, they run ~$17 year (12 euros), or $160 for wildcard which seems steep.