Yes, that moment is a pretty good time for buying ETH. Ethereum is about to reach its bottom, so the risks are not that high if you are ready to wait. Anyway, $200-250 is not that much money, so you are not risking much even if ETH drops to say, $200 temporaririly.
I bought .5 @ $407 but coinbase started me at $411.. I have to wait till the 5th to receive my eth.. Hopefully things are trending up by then lol