SPOILER!
Need help with the door?
Screwdriver to door to open, key to padlock, shovel to rightmost length of wire, crowbar to base of door, hedgetrims to wire left of door and coin to cogs.
+ so others know.
People complain about controlling the characters, but I beg to differ, there are often place I find I can use a shortcut, and allowing me to use the character really expands this field. Also, if they are being to violent with the boxes down a bridge, stopping them and making them go again can often allow you to win a round.
How about it sells all your fish at the current market price when you leave the game? Maybe this isn't possible to integrate, but it's not fun to lose all those fishies.
It comes in handy.