@Lollapaloozar binance.us is good. paypal is easiest. coinbase is most popular. i dont know enough to say what's best. others might have opinions.
@Alex_Linder Thanks for the resposne, Alex. I think jimmy Marr said Swan was good. I didn't know paypal sold bitcoin.
@Lollapaloozar they hold keys so. but they are moving in hard, so probably will have key option in future.
@Alex_Linder i see