A previous post mentioned wanting a large modern house (the 50k one) to become available... You want that to happen? All they need to do is make a couple more tiers above 50k and just watch as those of us with 50k houses jump ship to buy the new most expensive house. :)
For all reasonable purposes (some special purpose houses aside) most people aren't ever going to downgrade their houses. New people often shuffle through lower grade housing on their way up, but when you have a 50k house where do you go? Well, simply, you don't go. So they sell out and none are left for those seeking to acquire them.
Try not to laugh, but I've been saving up for a while now in fervent hope that they will decide to produce three new housing tiers: 100k / 250k / 500k It's my opinion that these houses do not need to be much larger than the large modern house, they simply need to provide missing services. (Really who would want a house as long as a street anyway?) For example, add some herb plots (I don't particularly care about changing plot types as discussed in another thread)? How about a small cave-like basement for egg trees and dark or swampy things. Obviously the tiers need to each add something, but they already have in the game most of the things I'm looking for, just not all in one place. Even if that one place is super expensive. At my current financial status I couldn't afford a house in those tiers, but I would sure like to have a goal to save up to.
Also while I'm on the topic, an NPC powered moving service would be fantastic. I own something like 50 bags now and that means moving will be a nightmare... Especially if I'm in a rush to buy a new top tier house before they are all gone.
Anyone with me? :)