First of all, let me thank you for the swift responses!
@SC4BOY and BUBBLES: I'm not providing civics as of yet. My houses don't have school access, police, hospitals, water, fire or anything else. Generally, they just have power and a few jobs at either farms or local shops.
@Timcravey: I was considering that method. It's unfortunate that it's very timeconsuming however, and I was kinda hoping there was another way to tackle the issue at hand. ;p
@Errantry: That's indeed what I'm doing now. The only issue will be when my region develops, and I do want R$$ and therefore lower taxes, I'll get them everywhere, and not just where I want them.
@Kusajika Yachiru (did I spell that right?): It is indeed low dense urban sprawl. Teeny weeny communities in a few spots, usually no more than 10-15 houses and some farms.
I've been thinking, is it possible that it has something to do with land value? I'm using cycledog's tree mod to create flora in my region. Would it be possible that those raise the land value so much that R$$ always moves in (unless I fiddle with taxes)?