“Nice to meet you” in Japanese

I think most useful and common Japanese phrase meaning “nice to meet you” is Hajimemashite.

This sounds not so formal nor too casual, so you can use it to almost anyone (even to your would-be employer).

If you are John Smith, say;
 
Hajimemashite (John) Smith desu. Yoroshikuonegaishimasu
 
Yoroshikuonegaishimasu could be mean, “thank you,” “cordiary yours”.
 
Only hajumemashite can work when you meet someone.

Otsukaresama and derivations so versatile but can be rude.

“Good morning” in Japanese

“I’m home” in Japanese. What do you say in return?

Konbanwa is not used often. Maybe least frequent among greetings.

Frequently used “daijoubu” could be ambiguous (which I don’t like)

Conversation without ” you ” is possible in Japanese

Japanese people do not bow so often. Instead, we do eshaku.

Though too many 1st person pronouns ( such as watashi ) , you may use only one