How do you move sims and sim made objects on sims?

you can either click on the door so the sim opens it or you can simply click inside the house

you get them married or dating or best friends and it will come up at your house ask to move in

To create custom sims you need to get a program called body, with with this program you can make sims and package them up to put on the sims 2 website, or just export them into your game. you can get...

Click on the phone and choose the "move back to" option, a taxi will arrive to take your Sim back to the neighbour and you will find them in the family bin.

You can't move them in with each other but one sim can spend most of their time at their lovers house.