Cliff
If you want Cliff to stay wait until Fall, Duke will come one of those days and ask if you will help him with the orchard say yes and go to the church if not to late and Cliff will be there talk to him and invite him to help with the orchard.
Duke Passes Out
Go to the bar one night and Duke will be passed out. Talk to the people there and then pick up the jar on the table and go talk to Duke. He will say something and then throw up in the jar. You automatically take him home and talk to Manna. This will increase your relationship with them.
Easy Money:
This trick requires two memory cards and a file which has some type of animal (preferably cows or sheep). Copy the file to memory card two, then play the game on either file. Go to your diary and choose to exchange animals. Have an animal come in from the other memory card. When this is done, sell the animal repeat as many times as needed.
Fast Money in Winter
To earn money really fast when winter comes every day take your basket and bring it to the mine cave that only opens in the winter and dig for minerals and when ever you get one put it in your basket (do not pick up the junk minerals and put them in the basket because you will not get any money from it) keep doing it until your basket is full. Take the basket and leave the cave and bring it back to your farm and put all your minerals in the shipping bin this will give you over 2,000 dollars a day for the winter!
Get Another Horse
If you lose your horse and have a good pasture, you can get another one.
How To Get Bees
In any season planet some flowers in your garden. when they blossem a nest a bees will be in your apple tree. You can get honey from the nest every day even winter. The honey will sell for 50G but if you give some honey to louis the honey will be worth 60G.
Make Quick Money
To make "quick money", you have to have one game file(And I think 2 Memory cards). Make sure you have a cow or sheep on your game(adult). Copy your game on to the other memory card, and go into the game you want to make money. When you go to sleep, choose the "Exchange Animals" option and have an animal come to your farm from your other copied one. Sell the animal, then repeat this process over and over.
Make Your Wife Leave
Give your wife many things that she hates (preferably weeds) until her heart turns black, and she has no hears on the start menu screen. Then, go to sleep. The next day the game will state that your wife is gone and you will shake your head.
More Ore While Mining
The following trick requires the Harvest Basket and the Final Rucksack. Bring the Harvest Basket with you to the mine. Set it down and start mining. You should be able to deposit ore into the Harvest Basket. The basket can get full after a while. Empty it out by facing a bin and pressing Square. When you are tired, just heal at the Hot Spring Pool. This also works well in winter.