Need help with getting some mattress plz..

I need some help everybody... If anybody has a king size mattress or queen size mattress you don't need, I really could us two beds my sister and her to kids are coming to stay with me and and they lost all there furniture due to job loss... I could c

Also use two tvs... I just can't afford to buy mattress and tvs and support them.. And my sister is pregnant with a baby girl so any baby girl clothes, or other idems will help..Any help is appreciated.. Thanks and God bless..