Where can you ask a vet questions online for free?

There are alot of sites you can go to for online pet advice from a live vet, But most of these sites cost money to register, or for each question you ask. www.televets.com does not cost money for either one. You just sign up, ask submit your question to a live vet, and they will send your answer to your e-mail for free.

I tried this site and couldnt open it, there is a problem with this site.