5) It has a train station that connects it to every city from Los Angeles to Portland to Seattle via Amtrak
4) Portland's train system doesn't connect to it yet, but it will soon. At the moment, it takes about 15 minutes to get to the city train station.
3) Portland is overrun with homeless people, but Oregon City isn't.
2) The traffic isn't as bad as Portland
1) You can get a nice house for well under $1800 a month. If you can live with a condo, you can get that down to about $1200.