Step 1: go to sims freeplay
Step 2: click home button twice and hold the sims freeplay until it shows a minus sign. Press it. Don't worry it won't delete your app.
Step 3: go to your settings and go under general then go under date and time. Turn off set automatically. Then go under set date & time.
Step 4: change only the year to 1970. Never go to 2013 or you will lose your Santa.
Step 5: go back to sims freeplay.
Step 6: plant something that give you a lot of money. I would say beans.
Step 7: click home button twice and hold the sims freeplay until it shows a minus sign. Press it again.
Step 8: go back to settings and go to general. Then go under date and time and turn on set automatically.
Step 9: go back to sims freeplay and your plant will be done.
Step 10: click on the plant and receive your money.
It works all the time