No money to buy anything?

ok im 14 and well my dad lost his job in august i know he doesn't have alot of money but me and my sister are going to stay with family over winter brake in boston they are buying us alota stuff(presents for x-mas) but i wanna buy them presents and also we need winter clothes its snowy up there the lately ive been wanting clothes so bad like aeropostale and hollister that's my style what do i do i need money plzzzz