*maybe we can add tourist/hotel/entertaiment business
*the possibility to contruct more habitation type for populing suburban region with a lot of house like it

and let place for upgrading land lot with time
*improving some area with more park landscape
*possibility to make commercial building different by some thing like other building in a 3x3 where you can upgrate the price or the place dependly what you put in your building
*rotate some 1x2 building for using some small place in downtown
*maybe can implement warehouse upgrading by using some technologie
https://www.youtube.com/watch?v=JWLcge-aC6k
https://www.youtube.com/watch?v=Y_bBbYA6tts
*expand farm with field around the main building
*add wastefill and recyclage for producing some used glass or plastic, steel or fertilizing
*public transportation
*able to make a building without street adjacent
and im sure we can find many more thing to do with the land.