Carol,
Actually it's depend on the how you said to your 99. In my case, I pay another $$ (and specified what's the purpose) to my 99 (before) and my mum for them to take care of my babies, so when I told my 99 no need to take care of Wing Wing and then also said cut the special $$ and seems no problem, if you pay all of them are 家用, then it's difficult to cut.