Depends on which country you are a resident of.
We Americans have far fewer choices.
(Has to do with KYC and tax reporting laziness on the part of the selling site.)
Coinbase allows me to buy through them. One of my credit cards works with them, another card does not, they are blocked by the credit card bank.
BitCoin BTC, Ethereum ETH, LiteCoin LTC... all up substantially since summer.