Go to sims...
Go to settings.
Set the date to July 1st 1985.
Double tap the home button.
Hold down the Sims Freeplay icon at the bottom of the screen until a little red minus button pops up. Press that and return to the home menu.
Go to Sims.
Go back to settings. Set the date back to current date.
There. You should have 10000 dollars more, your sims should be inspired, and any tasks you had will be completed.
Does not work on buildings!!