I'm thinking use abandon land for Linden homes and upgrade the look; update the landscape, for example roads, trees, nature, with option to pick a Linden home or business build? Maybe make it themed area's? Possibilities for other residents that don't want a Linden home being able to buy land around the Linden homes to adopt the style?
Why leave all of it empty its only costing and a lot of mainland needs serieus updating. That could be a solution!
Just trowing in a subject to brainstorm about