Thanks for sharing your great experience with us about ETH.
5 Days to set up ETH vallet, Even today ETH can only handle 5 transactions per second! This what Vitalik Buterin said.
I know the pain of wasting time. I will try your tips do better soon too.
BY the way you are great investor too. ETH went to $600 today and you sold some more today.
From $2 to right now $600 lucky you are :)