Hi, many people are now investing in cryptocurrency or just buying it to use as regular currency in the hope that it will increase in value. There are many specialized services on the Internet that exchange dollars in any form into cryptocurrencies, but not all of them are safe and reliable. If you are going to buy bitcoin with visa, I would recommend you to use
https://j2tx.com/buy-bitcoin/with-visa service, there is a big choice of cryptocurrencies and commission is usually lower than in exchange offices.