I want to upgrade an island's worth of level 1 houses, and the best way I figure is to just destroy everything and let it rezone to my best houses (lvl4 I believe).
My question is then, how do I easily destroy many houses? The only way I figured out to destroy a house is to dig under it then fill the ground, but it's messy because right clicking digs next to the house, then I have to drag towards it multiple times to really destroy it.
Alternatively, is there a better way to upgrade?
Edit: another downside to my way so far is that since I can only destroy one house at a time, and slowly (takes time to drag earth around like that), the guys that vacate the house start construction right away, never giving me time to increase the zone size. I feel I must be missing something here.