if you choose carefully. So I disagree with the previous post. Ask about the rates. If she gets pissy, just move on down the road. Yes, I know it can be a pain to find another provider who makes you feel like a "king", however, trust me they're out there.
There's a term "grandfathering" used in the hobby, it usually means keeping a client at a lower rate after a provider has raised rates. Your situation gives new meaning to "grandfathering" and not in a good way