Depends on how much savings, how it’s made, if you can give it a good tryout. Like has been said, cheaply made amps tend to need repair after a few years, bad soldering, tube sockets on circuit boards, etc. That said, I usually buy used. You save in the long run. Repairs are a fact of life with amps, even high end ones. Find a good (this is most important) amp tech that you trust and most repairs aren’t super expensive. New amps need repairs too and you’re often limited to the factory authorized repair place which might not be worth a crap. Been there. I’d rather take a used amp that I saved a bundle on to said trusted repair guy and pay a fair price and have it fixed right.