I think the baseline here is- if you are feel unhappy, unsafe, uninterested or whatever you have agency to say no. He opens the door and looks unlike the photos, that's a subtle warning that other things might be off. You get a feeling that tells you something is sketchy? Listen to it. Many people who become victims of crimes say "I had a bad feeling but I ignored it". Don't. If someone misrepresents themselves online, or tries in some way to trick you, that's not a situation you should stay in.