When you have very limited moves clear as much of the rubbish out as possible.
When exclamation marks appear on your buildings, it means they have produce to dispense.
Learn what the different tools do, and use them wisely if you want to succeed.
You can buy extra goes at the end of each puzzle section if you think they're going to help you.
Use cats to chase of rats.
To deal with wolves you're going to need to have access to a gun, so arm yourself.