If it's convenience and safety you're looking for, Bitcoin ATMs are all over the US, aren't they? Pop by one, get your Bitcoins in a few minutes, all yours, no fuss.
LBC and Coinbase is the place I see the good value in the market. Some of the traders may offer more than the value we see in the preev or elsewhere.
I definitely agree with LBC, just love the escrow protection there, but there's also others coming up, less KYC required, same escrow mechanisms. Bisq is something I'm eyeing myself for a diversification of platforms.