I thought of something while digging, what if, different seasons affect jobs...
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'Digging'
Summer: More shells + More crabs
Winter: Less shells + Less crabs
Spring: Average shells + More crabs
Autumn: Average shells + Less crabs

'Mining'
Summer: Average rare minerals
Winter: More rare minerals
Spring: More rare minerals
Autumn: Less rare minerals

'Driving'
Summer: More fares + Higher $
Winter: Less fares + Higher $
Spring: Average fares + Average $
Autumn: Average fares + Average $

'Trash picking'
Summer: More trashes
Winter: Less trashes
Spring: Average trashes
Autumn: Average trashes

'Acorn hunting'
Summer: Less acorns
Winter: No acorns
Spring: More acorns
Autumn: More acorns

'Mushroom picking'
Summer: More mushrooms
Winter: Less mushrooms
Spring: More mushrooms
Autumn: Average mushrooms

'Mail delivery'
Summer: More $
Winter: More $
Spring: Average $
Autumn: Average $
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Hope to see this in the future...
Cashcashcashcash
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-I want this because I want the players to regulate the jobs they do. Players are always focusing too much on digging... I hope that these people of era won't get mad of this. Other jobs are pretty neglected by others... But if this is implemented, the jobs will be alive again.