I'm a white dude and my fiancee is Hispanic (mestiza). I'm lucky as hell too- she comes from a traditional, conservative-ish household and she cooks and cleans and would do damn near anything for me as far as I can tell. I know things can change but she seems very loyal and all of her sisters have been with the same dudes for a long time (over 8 years minimum-time I've been with my chick). You gotta be a real stand-up dude though, to be fair.
Race shouldn't matter. Just avoid most of these entitled, feminist attention-whoring women. Don't matter how pretty she is, you'll get burned badly down the road. I've seen it happen and I think I can tell when it's going to happen too. It's like a slow-motion wreck. There are always so many red flags.