Two-Story Lobby:
when placing the first lobby section hold Ctrl. 

Three-Story Lobby:
When placing the first lobby section simply hold Ctrl + Shift. 

Start with $4 Million:
Begin a new game and attempt to place a lobby section all the way to the bottom and the left of the edit screen. 

Automatic Removal:
To instantly remove an item hold Shift when placing a new unit over it. 

Extra Condo Money:
To get extra condo money use the magnifying glass and click on the condo that is marked "For Sale". A message similar to "The
conditions are terrible" will appear.. Click on the current price, and lower it to $4,000. The comments will disappear (but do
not exit). Immediately after the price has been lowered, increase it to $20,000.