I'm hoping a mod will comment on whether this is ok, or not - but... Here is my idea!
I have a Groddle Meadow home (3.5k range, 12 slot, wood/fruit tree + 4 piggies) i'm not that fussed on. I prepose selling the *opportunity to buy it first* to the highest bidder. I would then tell the winning bidder a time to come to my house and put it back on the market - with them right in front of it, they would have the first opportunity to buy it.
Ethical? Lord no. But I want my 30k home dammit!