Their customer service is horrendous i noticed since circle went down everyone went to coinbase for bitcoin and it has been a nitemare to say the least
This also tells you how much to pay. Change drop down on top left from satoshis to bitcoin. Add a little. Right now add just a tad more than this and you are in.
he fastest and cheapest transaction fee is currently 0.0000018 BTC/byte, shown in green at the top. For the median transaction size of 234 bytes, this results in a fee of 0.0004212 BTC.
Everything about Coinbase is a lot worse like it was 3-4 years ago.
It's getting to the point that doesn't really worth to do main Bitcoin business through Coinbase for Americans, there are better solutions.
I hear they have a phone number you can call for customer service. You can't call anyone with Coinbase. Only chance you have is to post of reddit and they may respond.