Ok heres a cheat for money and lps
First get all ur sims to go to one house and make sure u have patches for gardening
get all ur sims to plant in one house and plantthe most expensive plant in the option
go to ur multitasking bar and delete the history
go to settings and turn on airplane mode
go to date and time and turn off 24hour and automatic thingie setting
with ur finger on your home button turn off ur airplane mode and go to home quickly as possible
go to ur sims app and sometime it should say i could not connect tap retry and it should connect
and then ur plants are finshed!!
note:may not work the first time