For inexperienced investors, I would advise to set aside a small part of income once a month and invest in various projects. Do not rush to change the cryptocurrency. It's not the peak of growth yet
To exchange cryptocurrencies, use online exchangers. A lot of them. But with the BestChange service, you can easily choose an exchanger that will offer you the best ltc to usd exchange conditions https://www.bestchange.com/litecoin-to-visa-mastercard-usd.html or any other cryptocurrency.