Thoughts on flying in for interviews?

I am extremely financially restricted and don't find it very appealing having to fly in to other schools for interviews and not having some sort of security that a school will like you. Especially when you add up flying to multiple schools, the thought of it scares me. I mean i work and make a little money, but am already forced to live a very frugal lifestyle.

I've never been outside of CA nor the west coast, what are some of your thoughts on applying to east coast schools? Hoping west coast...

Thoughts on flying in for interviews?