You can use online exchanges. It's simple, fast and available 24/7. To search for exchanges, I use the BestChange service. There are many exchangers collected here. And there is an opportunity to see very quickly the offers of a large number of exchangers for the exchange of eth to usd https://www.bestchange.com/ethereum-to-visa-mastercard-usd.html and other cryptocurrencies
The variety of crypto is really huge and I always look for all possible ways to perform it. So, recently I faced with https://estimated.pro/coin/wazirx which is a really good platform where is a possibility to investigate the raise of crypto and to make your own choice. I personally think that it is a wonderful opportunity to check all possible ways and options about how to make money and to decide is it a proper solution to invest in it or not.