i have some crypto on poloniex, i was looking to send some crypto i saw fees like:
~
i am looking to send 5$ through crypto, is this normal these days?
For poloniex, yeah, for others no!
Use a different exchange!
Regardless though, exchanges (most of them at least) fees are usually fixed and not based on the network's congestion or the transaction sizes so it doesn't really depend on which day you're withdrawing ,you're going to pay the same.
Yeah, the fees in Poloniex are so fixed that they match the price of Bitcoin when they got hacked!
But, 1btc=1btc so, no point arguing over that, right?