In The Sims FreePlay you can Earn big XP and Simolens fast by: expedite your Sims to complete their action very quickly.
For Example: Get as many sims as you can in a house. Having a few of the sims gardening. you can’t plant anything from five minutes to one day. More importantly, at least 2 or more sims must be inactive(idle). Keep them apart, none of the sims will walk slow, now you need to tap the Sims because he will need to be walking to another sims. If this works for the Sims who is gardening, will complete immediately.
This tips will works on any working sims who is baking, deep sleep, play RC boat, and gardening. You get your XP and Simoleons quickly.
PS, However, the above will not work on goals that require add new sims and check mail box without changing your date and time. Some may even need soft or hard reset to complete.
Tips: you should remove some chairs or sofa as this will increases the chances the idle sims will be going to interact with each others. which will make the busy one instead of sitting around.
Suggest you Plant Egg Plant, which is the crops that will give you the most money.
This Cheats will give you Money,XP and Simoleons and clear your goals